66-658: The Argen is a river in Baden-Württemberg, Germany. It flows into Lake Constance between Kressbronn am Bodensee and Langenargen as the third largest tributary to the lake. It is 23.4 kilometres (14.5 mi) long; if one includes the Obere Argen and its source river Seelesgraben, the combined length is 73.2 kilometres (45.5 mi). The headwaters of the Argen arise in the Allgäu . There are two headwaters:
132-575: A Frankish imperial palace ( Königspfalz ), Alamannian ducal seat and mint , which is why the name may have been transferred to the lake ("lake, by which Bodman is situated" = Bodmansee ). From 833/834 AD, in Latin sources, the name appears in its Latinised form lacus potamicus . Therefore, the name actually derived from the Bodman Pfalz (Latinized as Potamum ) was wrongly assumed by monastic scholars like Walahfrid Strabo to be derived from
198-497: A long-eared owl . The reunification of Germany the 36th Environmental Minister's Conference in 1991 recommended the use of the owl symbol in future in the whole of Germany to designate nature reserves. This recommendation was not universally adopted by the states, in whom the jurisdiction for conservation policy was vested. For that reason there are de facto three different signs being used alongside one another in Germany today. At
264-697: A connecting stretch of the Rhine, called the Seerhein ( lit. ' Rhine of the lake(s) ' ). These waterbodies lie within the Lake Constance Basin ( Bodenseebecken ) in the Alpine Foreland through which the Rhine flows. The nearby Mindelsee is not considered part of Lake Constance. The lake is situated where Germany , Switzerland , and Austria meet. Its shorelines lie in
330-514: A foothold and was then exported into other languages such as Hebrew: ימת קונסטנץ yamat Konstanz and Swahili: Ziwa la Konstanz . In many languages both forms exist in parallel e.g. Romansh : Lai da Constanza and Lai Bodan , Esperanto: Konstanca Lago and Bodenlago . The poetic name, " Swabian Sea", was adopted by authors of the early modern era and the Enlightenment from ancient authors, possibly Tacitus . However, this assumption
396-466: A nature reserve and may not e.g. leave the tracks and paths. For historical reasons there is no standard sign used across Germany. Nature reserves in the "old states" of the Federal Republic of Germany are marked by green signs with the silhouette of a white-tailed eagle . In the new federal states of the former East Germany they are marked with a pentagonal yellow sign bearing an image of
462-759: A treaty was drawn up between the Hohenstaufen emperor and the Lombard League . Lake Constance also played an important role as a trading post for goods being traded between German and Italian states. During the Thirty Years' War , there were various conflicts over the control of the region during the Lake War (1632–1648). After the War of the Second Coalition (1798–1802), which also affected
528-684: Is 251.14 metres (824.0 ft) deep. The three small bays on the Vorarlberg shore have their own names: the Bay of Bregenz, off Hard and Fußach is the Bay of Fussach and, west of that is the Wetterwinkel. Farther west, now in Switzerland, is the Bay of Rorschach. To the north, on the Bavarian side, is the Bay of Reutin. The railway embankment from the mainland to the island of Lindau and
594-485: Is 395 m (1,296 ft) above sea level . Its greatest depth is 252 metres (827 ft), exactly in the middle of the Upper Lake. Its volume is about 48 km (12 cu mi). The lake has two parts. The main east section, called Obersee or "Upper Lake", covers about 473 square kilometres (183 sq mi), including its northwestern arm, the Überlinger See (61 km (24 sq mi)), and
660-779: Is a Zungenbecken or Tongue lake. After the end of the last glacial period , about 10,000 years ago, the Obersee and Untersee still formed a single lake. The downward erosion of the High Rhine caused the lake level to gradually sink and a sill, the Konstanzer Schwelle , to emerge. The Rhine, the Bregenzer Ach , and the Dornbirner Ach carry sediments from the Alps to the lake, thus gradually decreasing
726-557: Is a camping grounds name Gohren . There is another camping grounds with restaurant at Laimnau. At its mouth, the Argen is 30 metres (98 ft) wide. To prevent flooding, several protective walls have been constructed along the river. Kayaking is possible; bathing facilities are available. About 200 metres (660 ft) below the Gießenbrücke bridge in Kressbronn (river km 5.8), a water level measuring station exists on
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#1732797591632792-563: Is also known for its intensive cultivation of fruit and vegetables . The island of Lindau is located in the east of the Obersee, and is the second largest island. On it is the old town and main railway station of Lindau. The third largest island is Mainau in the southeast of Lake Überlingen. The owners, the family of Bernadotte , have set up the island as a tourist attraction and created botanical gardens and wildlife enclosures. Relatively large, but uninhabited and inaccessible because of their status as nature reserves, are two islands off
858-751: Is an important source of drinking water for southwestern Germany. The culminating point of the lake's drainage basin is the Swiss peak Piz Russein of the Tödi massif of the Glarus Alps at 3,613 metres (11,854 ft) above sea level. It starts with the creek Aua da Russein (lit.: "Water of the Russein"). Lake Constance was formed by the Rhine Glacier during the Quaternary glaciation ice age and
924-524: Is around 11,500 km (4,400 sq mi), and reaching as far south as Lago di Lei in Italy. The area of the Obersee , or Upper Lake, is 473 km (183 sq mi). It extends from Bregenz to Bodman-Ludwigshafen for over 63.3 kilometres (39.3 mi) and is 14 kilometres (8.7 mi) wide between Friedrichshafen and Romanshorn . At its deepest point between Fischbach and Uttwil , it
990-671: Is the Zeller See (or Zellersee in Swiss Standard German), or Lake Zell . North of the peninsula and swamp land Mettnau lies the lake part Markelfinger Winkel. The drumlins of the southern Bodanrück continue along the bed of these northern parts of the lake. South of the Reichenau, from Gottlieben to Eschenz , stretches the Rheinsee (lit.: "Rhine Lake") with strong Rhine currents in places. Previously this lake part
1056-516: Is united with the Untere Argen. Geomorphologically , the Argen has cut a deep and wide valley into the landscape, leading to such place names as Gitzensteig . In some places, the valley is over a kilometre wide. The edges of the valley occasionally rise steeply up to 100 metres (330 ft), and the valley floor is at the level of Lake Constance. Further down its course, the river bed becomes increasingly broader. The river here flows past
1122-539: The Council of Constance in the 15th century, the alternative name Lacus Constantinus was used in the (Roman Catholic) Romance language area. This name, which had been attested as early as 1187 in the form Lacus Constantiensis , came from the town of Konstanz at the outflow of the Rhine from the Obersee, whose original name, Constantia, was in turn derived from the Roman emperor, Constantius Chlorus (around 300 AD). Hence
1188-757: The Gnadensee (lit.: "Lake Mercy") north of the island and north of the peninsula of Mettnau (the Markelfinger Winkel ), and the Zeller See , south of Radolfzell and to the northwest of the Reichenau island, and the mainly Swiss Rheinsee (lit.: "Lake Rhine") – not to be mistaken for the Seerhein (lit.: "Rhine of the Lake(s)") at its start – to the south of the island and with its southwestern arm leading to its effluent in Stein am Rhein . The water of
1254-585: The Hallstatt period is attested by grave mounds , which today are usually found in forests where they have been protected from the destruction by agriculture. Since the late Hallstatt period, the peoples living on Lake Constance are referred to as the Celts . During the La Tène period from 450 BC, the population density decreases, as can be deduced partly due from the fact that no more grave mounds were built. For
1320-631: The Mesolithic period (Middle Stone Age, 8,000–5,500 BC) frequented the area without settling, however. Only hunting camps have been confirmed. The earliest Neolithic farmers, who belonged to the Linear Pottery culture , also left no traces behind, because the Alpine foreland lay away from the routes along which they had spread during the 6th millennium BC. This changed only in the middle and late Neolithic when shore settlements were established,
1386-773: The Radolfzeller Aach . The source of the Radolfzeller Aach is the Aachtopf , a karst spring whose waters mostly derive from the Danube Sinkhole . Therefore, the Danube is indirectly also a tributary of the Rhine. Because the Alpine Rhine brings with it drift from the mountains and deposits this material as sediment , the Bay of Bregenz will silt up in a few centuries time. The silting up of
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#17327975916321452-844: The Rohrspitz in the Austrian section of the lake, the Langenargen and Marienschlucht . Naturschutzgebiet A Naturschutzgebiet (abbreviated NSG ) is a category of protected area ( nature reserve ) within Germany's Federal Nature Conservation Act (the Bundesnaturschutzgesetz or BNatSchG ). Although often translated as 'Nature Reserve' in English, the Federal Agency for Nature Conservation (BfN) refers to them as 'Nature Conservation Areas'. It meets
1518-601: The Wollmatinger Ried : the Triboldingerbohl which has an area of 13 ha (32 acres) and Mittler or Langbohl which is just three hectares (7.4 acres) in area. Smaller islands in the Obersee are: In the Untersee are: In Lake Constance there are several peninsulas which vary greatly in size: The shores of Lake Constance consist mainly of gravel. In some places there are also sandy beaches, such as
1584-537: The regulated Alpine Rhine flows into the lake in the southeast near Bregenz , Austria, then through the Upper Lake Constance hardly targeting the Überlinger See , into the Seerhein in the town of Konstanz , then through the Rheinsee virtually without feeding both German parts of the Lower Lake, and finally feeds the start of the High Rhine in Swiss town Stein am Rhein . The lake itself
1650-402: The Austrian railways had already introduced CET the previous year and Switzerland followed in 1894. Because traffic timetables had not been yet updated, CET became the sole valid time around and on Lake Constance in 1895. The earliest recorded reference to the lakes is by Roman geographer Pomponius Mela around 43 AD, calling the upper lake Lacus Venetus and the lower lake Lacus Acronius ,
1716-516: The Bavarian Munich time was observed, and Bregenz used Prague time, while the Swiss shore used Berne time. One would have needed to travel only 46 kilometres (29 mi) to visit five time zones. Given the amount of trade and traffic over Lake Constance, this led to serious confusion. Public clocks in harbors used three different clock faces, depending on the destinations offered by the boat companies. In 1892, all German territories used CET ,
1782-653: The French: Lac de Constance , Italian: Lago di Costanza , Portuguese: Lago de Constança , Spanish: Lago de Constanza , Romanian: Lacul Constanța , Greek: Λίμνη της Κωνσταντίας – Limni tis Konstantias . The Arabic, بحيرة كونستانس buħaira Konstans and the Turkish, Konstanz gölü , probably go back to the French form of the name. Even in Romance-influenced English the name "Lake Constance" gained
1848-575: The German states of Baden-Württemberg and Bavaria ; the Swiss cantons of St. Gallen , Thurgau , and Schaffhausen ; and the Austrian state of Vorarlberg . The actual locations of the country borders within the lake are disputed. The Alpine Rhine forms, in its original course ( Alter Rhein ), the Austro-Swiss border and flows into the lake from the south. The High Rhine flows westbound out of
1914-644: The Greek word potamos for "river" and meant "river lake". They may also have been influenced by the fact that the Rhine flowed through the lake. Wolfram von Eschenbach describes it in Middle High German as the Bodemensee or Bodemsee which has finally evolved into the present German name, Bodensee . The name may be linked to that of the Bodanrück , the hill range between Lake Überlingen and
1980-477: The Kressbronn side of the river. It is operated by the "Flood Forecasting Centre Baden-Württemberg," the "State Institute for Environment, Measurements and Nature Conservation Baden-Württemberg," and by the Regierungsbezirk Tübingen . The zero level for this station is at an elevation of 420.13 metres (1,378.4 ft). An area of approximately 296 hectares (730 acres) flanking the Argen
2046-531: The Lower Lake is Radolfzell . The largest islands are Reichenau in the Lower Lake, and Lindau and Mainau in the Upper Lake. Bodanrück , a large peninsula, separates the Upper and Lower Lake. While in English and in the Romance languages , the lake is named after the city of Constance , the German name derives from the village of Bodman (municipality of Bodman-Ludwigshafen ), in the northwesternmost corner of
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2112-524: The Lower Lake, and the history of the House of Bodman . The German name of the lake, Bodensee , has been adopted by many other languages, for example: Dutch: Bodenmeer , Danish: Bodensøen , Norwegian: Bodensjøen , Swedish: Bodensjön , Finnish: Bodenjärvi , Russian: Боденское озеро , Polish: Jezioro Bodeńskie , Czech: Bodamské jezero , Slovak: Bodamské jazero , Hungarian: Bodeni-tó , Serbo-Croatian: Bodensko jezero , Albanian: Liqeni i Bodenit . After
2178-850: The Obere Argen and the Untere Argen. The two arms wrap around the Große Kreisstadt of Wangen im Allgäu and meet each other in the Neuravensburg district of Wangen im Allgäu. The origin of the Untere Argen is the confluence of Börlasbach and Stixnerbach at the western entrance to Missen at about 850 metres (2,790 ft) above sea level in the Allgäu region of Bavaria. From the confluence, it first flows north to Isny im Allgäu , then northwest to Waltershofen , then southwest to Primisweiler. Past Primisweiler, it merges with
2244-674: The Obere Argen. The main tributaries are the Wengener Argen and the Haslach . The Federal highway A96 crosses it a number of times. The Obere Argen originates in a marshy area north-west of Oberstaufen in the Allgäu. It initially flows through the Eistobel gorge, then underneath the Argentobelbrücke , and past Grünenbach towards Wangen im Allgäu. From there it flows on via Neuravensburg to Pflegelberg, where it
2310-399: The Obersee are (counterclockwise) the Dornbirner Ach , Bregenzer Ach , Leiblach , Argen , Schussen , Rotach , Brunnisach , Seefelder Aach , Stockacher Aach , Salmsacher Aach , the Aach near Arbon , Steinach , Goldach and the Old Rhine . The outflow of the Obersee is the Seerhein , which in turn is the main tributary of the Untersee. The most important tributary of the Untersee is
2376-437: The Rhine boundary in the 3rd century BC, the Alemanni gradually settled on the north shore of Lake Constance and, later, on the south bank as well. After the introduction of Christianity , the cultural significance of the region grew as a result of the founding of Reichenau Abbey and the Bishopric of Constance . Under the rule of the Hohenstaufens , Imperial Diets ( Reichstage ) were held by Lake Constance. In Constance, too,
2442-440: The Rhine passing through both. Around 75 AD, The naturalist Pliny the Elder called them both Lacus Raetiae Brigantinus after the main Roman town on the lake, Brigantium (later Bregenz). This name is associated with the Celtic Brigantii who lived here, although it is not clear whether the place was named after the tribe or the inhabitants of the region were named after their main settlement. Ammianus Marcellinus later used
2508-421: The Upper Lake runs approximately along the line between the southeast tip of Bodanrück (the Hörnle , which belongs to the town of Konstanz) and Meersburg. The Constance Hopper lies between the German and Swiss shores east of Konstanz . The Obersee and Untersee are connected by the Seerhein . The Untersee , or Lower Lake, which is separated from the Obersee and from its north-west arm, the Überlinger See, by
2574-448: The achievement of conservation goals is at risk, because negative influences from the surrounding area cannot be sufficiently mitigated. The number and size of nature reserves has increased considerably in recent decades. In 1995 there were only 5,314 Naturschutzgebiete in Germany with an area of 6,845 km . Even the current coverage is seen by experts as too low to preserve the variety of species in Germany. The following lists detail
2640-424: The criteria of an IUCN Category IV Habitat and Species Management Area . The use of the term Naturschutzgebiet or terms that could be confused with it for anything other than the legally protected areas is forbidden under this law. Because legal restrictions are placed on activity within German nature reserves they have to be signed on the ground. Only by this means can e.g. walkers know that they are entering
2706-432: The depth and reducing the extension of the lake in the southeast. In antiquity, the two lakes had different names; later, for reasons which are unknown, they came to have the same name. In the 19th century, there were five different local time zones around Lake Constance. Constance, belonging to the Grand Duchy of Baden , adhered to Karlsruhe time, Friedrichshafen used the time of the Duchy of Württemberg , in Lindau,
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2772-422: The end of 2008 there were 8,413 nature reserves in Germany with a total area of 1,271,582 hectares. That corresponds to 3.6% of the area of Germany. The lowest percentage areas are in the states of Hesse (1.8%) and Rhineland-Palatinate (1.9%). The percentage coverage in the old and new states is identical. About 60% of all nature reserves are smaller than 50 hectares in area. In such small areas experts say that
2838-475: The entire Lake Constance is estimated to take another ten to twenty thousand years. The outflow of the Untersee is the High Rhine with the Rhine Falls at Schaffhausen . Both the average precipitation of 0.45 km /a and evaporation which averages 0.29 km /a cause a net change in the level of Lake Constance that is less when compared to the influence of the inflows and outflows. Further quantities of lake water are extracted by municipal waterworks around
2904-417: The first time, written reports on Lake Constance have survived. Thus, we learn that the Helvetians settled by the lake in the south, the Rhaetians in the area of the Alpine Rhine Valley and the Vindelici in the north-east. The most important places on the lake were Bregenz (Celtic Brigantion ) and today's Constance . In the course of the Roman Alpine campaign of 16/15 BC, the Lake Constance region
2970-420: The first time. The most important Roman site was Bregenz, which soon became subject to Roman municipal law and later became the seat of the Prefect of the Lake Constance fleet. The Romans were also in Lindau , but settled only on the hills around Lindau as the lakeshore was swampy. Other Roman towns were Constantia (Constance) and Arbor Felix ( Arbon ). After the borders of the Roman Empire were drawn back to
3036-419: The form Lacus Brigantiae . The current German name of Bodensee derives from the place name Bodman , which probably originally derived from the Old High German bodamon which meant "on the soils", indicating a place on level terrain by the lake. This place, situated at the west end of Lake Überlingen ( Überlinger See ), had a more supraregional character for a certain period in the early Middle Ages as
3102-411: The lake and forms (with the exception of the Canton of Schaffhausen , Rafzerfeld and Basel-Stadt ) the German-Swiss border as far as to the city of Basel . The Leiblach forms the Austria–Germany border east of the lake. The most populous towns on the Upper Lake are Constance ( German : Konstanz ), Friedrichshafen , Bregenz , Lindau , Überlingen and Kreuzlingen . The largest town on
3168-419: The lake and the water company of Bodensee-Wasserversorgung . In Lake Constance there are ten islands that are larger than 2,000 m (22,000 sq ft). By far the largest is the island of Reichenau in the Untersee, which belongs to the municipality of Reichenau . The former abbey of Reichenau is a UNESCO World Heritage Site due to its three early and highly medieval churches. The island
3234-474: The lake. Lake Constance is located along the Rhine between the Alpine Rhine , its main tributary , and the High Rhine , its outflow. It is the third largest freshwater lake by surface area in Central and Western Europe (and the second largest in volume), after Lake Geneva and (in surface area) Lake Balaton . It is 63 km (39 mi) long, and, nearly 14 km (8.7 mi) at its widest point. It covers about 536 km (207 sq mi), and
3300-410: The large peninsula of Bodanrück , has an area of 63 km (24 sq mi). It is strongly characterised and divided into different areas by end moraines , various glacial snouts and medial moraines . These various areas of the lake have their own names. North of Reichenau Island is the Gnadensee . West of the island of Reichenau, between the peninsula of Höri and the peninsula of Mettnau
3366-499: The larger rivers, especially that of the Alpine Rhine. The silting up process is accelerated by ever-increasing erosion by the Rhine and the associated reduction in the level of the lake. The main tributary of Lake Constance is the Alpine Rhine . The Alpine Rhine and the Seerhein do not mix greatly with the waters of the lake and flow through the lakes along courses that change relatively little. There are also numerous smaller tributaries (236 in all). The most important tributaries of
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#17327975916323432-450: The middle of the former Duchy of Swabia , which also included parts of today's Switzerland. Today the name Swabian Sea ( Schwäbisches Meer ) is only used jocularly as a hyperbolic term for Lake Constance. No Paleolithic finds have been made in the immediate vicinity of the lake, because the region of Lake Constance was long covered by the Rhine Glacier . The discovery of stone tools ( microliths ) indicate that hunters and gatherers of
3498-400: The motorway bridge over the lake border the so-called Little Lake ( Kleiner See ), which is located between the Lindau village of Aeschach and the island. The northwestern, finger-shaped arm of the Obersee is called Überlinger See (or Überlingersee in Swiss Standard German ), or Lake Überlingen . It is sometimes regarded as a separate lake, the boundary between Lake Überlingen and the rest of
3564-523: The region and during which Austrian and French flotillas operated on Lake Constance, there was a reorganisation of state relationships. Lake Constance is located in the foothills of the Alps . The shore length of both main lakes is 273 kilometres (170 mi) long. Of this, 173 kilometres (107 mi) are located in Germany ( Baden-Württemberg 155 kilometres or 96 miles, Bavaria 18 kilometres or 11 miles), 28 kilometres (17 mi) run through Austria and 72 kilometres (45 mi) through Switzerland. If
3630-403: The river. The ruins of several castles and palaces flank the lower reaches of the Argen: Altsummerau , Neusummerau , the late medieval Gießen Castle at Kreisbrunn, Achberg Castle and Neuravensburg Castle . Remains of an ancient hill fort can be found in the woods above the river. The mouth into Lake Constance is flanked on both sides by small harbours for pleasure boats. On the left
3696-473: The road on the Kressbronn side to Gießenbrücke, cross the bridge and run along the river on the Langenargen side to Argensteg, then via Gohren to the finish at Kressbronn Lakeside Sports Hall. Lake Constance Lake Constance ( German : Bodensee , pronounced [ˈboːdn̩zeː] ) refers to three bodies of water on the Rhine at the northern foot of the Alps : Upper Lake Constance ( Obersee ), Lower Lake Constance ( Untersee ), and
3762-435: The smaller west section, called Untersee or "Lower Lake", with an area of about 63 square kilometres (24 sq mi). The connection between these two lakes is the Seerhein (lit.: "Rhine of the Lake(s)"). Geographically, usually it is not considered to be part of the lake, but a very short river. The Lower Lake Constance is loosely divided into three sections around the Island of Reichenau . The two German parts,
3828-407: The so-called pile dwelling and wetland settlements , which have now been uncovered mainly on Lake Überlingen, the Constance Hopper and on the Obersee. At Unteruhldingen , a pile dwelling village has been reconstructed, and now forms an open air museum. In 2015, a 20 km line of about 170 man-made under-water stone mounds [ de ] dated in the neolithic period or early Bronze Age
3894-406: The total, 234.8 hectares (580 acres) of the reserve are in the Bodenseekreis district and 61.54 hectares (152.1 acres) in the Ravensburg district. In Alamannia , a Carolingian county named Argungowe (i.e. Argen County ) was recorded from the end of the 8th century. The roads along the Argen between Argensteg and Gießenbrücke are used in the annual Bodensee-Marathon . Runners must run on
3960-588: The upper and lower lakes are combined, Lake Constance has a total area of 536 km (207 sq mi), the third largest lake in Central Europe by area after Lake Balaton (594 km or 229 sq mi) and Lake Geneva (580 km or 220 sq mi). It is also the second largest by water volume (48.5 km or 11.6 cu mi or 39,300,000 acre⋅ft ) after Lake Geneva (89 km or 21 cu mi or 72,000,000 acre⋅ft) and extends for over 69.2 kilometres (43.0 mi) between Bregenz and Stein am Rhein . Its catchment area
4026-438: The villages of Laimnau , Apflau and Badhütten. In the lower part of its course, the Argen was straightened out considerably. It no longer has oxbow lakes because of the intensive valley agriculture. In recent years the massive concrete walls alongside the river have been replaced with large boulders in most of the shallower zones. Near the estuary at Kressbronn, gravel is mined in larger quantities, creating new lakes along
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#17327975916324092-407: Was based on an error (similar to that of the Teutoburg Forest and the Taunus ): the Romans sometimes used the name Mare Suebicum for the Baltic Sea , not Lake Constance. In times when the Romans had located the so-called " Suebi ", then an Elbe Germanic tribe near a sea, this was understandable. The authors of the Early Modern Period overlooked this and adopted the name for the largest lake in
4158-404: Was declared a nature reserve by the regional council of Tübingen on 16 December 1997. Its official name is Naturschutzgebiet Argen and it is registered as reserve number 4282. The reserve covers the area between the confluence of the Obere and Untere Argen and the mouth into Lake Constance. It includes the river, steep slopes, floodplain forest and swamp forests, valleys and flood embankments. Of
4224-414: Was discovered on the south-west shore of the lake between Bottighofen and Romanshorn. Grave finds from Singen am Hohentwiel date to the beginning of the Early Bronze Age and shore settlements were repeatedly built during the Neolithic Period and the Bronze Age (up to 800 BC). During the following Iron Age the settlement history is interrupted. The settlement of the shore of Lake Constance during
4290-407: Was integrated into the Roman Empire . During the campaign, there was also supposed to have been a battle on Lake Constance . The geographer, Pomponius Mela , makes the first mention in 43 AD of Lake Constance as two lakes – the Lacus Venetus (Upper Lake) and the Lacus Acronius (Untersee) – with the Rhine flowing through both. Pliny the Elder referred to Lake Constance as Lacus Brigantinus for
4356-407: Was named Lake Bernang after the village of Berlingen . On most of the maps the name of the Rheinsee is not shown, because this place is best suited for the name of the Untersee. The present-day shape of Lake Constance has resulted from the combination of several factors: Like any glacial lake, Lake Constance will also silt up by sedimentation . This process can best be observed at the mouths of
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