The Untersee ( German for Lower Lake ), also known as Lower Lake Constance , is the smaller of the two lakes that together form Lake Constance . The boundary between Switzerland and Germany runs through it. The lake surrounds several islands, the largest being Reichenau Island .
12-757: The Lower Lake Constance measures 63 km (24 sq mi) and is situated about 30 cm (12 in) lower than the Obersee . The Romans called it Lacus Acronius . In the Middle Ages, the Upper Lake was called Bodamicus Lacus , or Bodensee in German. At some point in time, this term began to include the Lower Lake, and a new term "Upper Lake" (in German: Obersee ), was introduced for
24-728: Is the part between the Mettnau peninsula in the north, the Höri peninsula in the south and the Island of Reichenau in the east. To the west lies the estuary of the Radolfzeller Aach and the Hegau . In the east, there is a small island called Liebesinsel ( lit. ' Love Island ' ) close to the Mettnau peninsula. The Gnadensee extends from Allensbach in the north and
36-464: Is unlikely to be true. A more probable theory is that the lake is named after Maria, "Our Lady of Mercy", as the church of the abbey on the island was dedicated to St. Mary and St. Mark. The town name Frauenfeld in neighbouring canton of Thurgau can be similarly explained. The Markelfingen Winkel is the western end of the Gnadensee, between Markelfingen in the north, Radolfzell in the west and
48-625: The German state of Baden-Württemberg . In contrast to the Upper Lake , the border between Germany and Switzerland across the Lower Lake is well defined. Municipalities on the Swiss side are Gottlieben , Ermatingen , Salenstein , Berlingen , Steckborn , Mammern , Eschenz and Stein am Rhein . Municipalities on the German side are Öhningen , Gaienhofen , Moos am Bodensee , Radolfzell , Reichenau , Allensbach and Constance . Three parts in
60-544: The Rheinsee there is the island of Triboldingerbohl . There used to be another island called Entlibühl . The nature reserve Wollmatinger Ried is also located in this area. The border between Germany and Switzerland follows Rheinsee in east-west direction. Obersee (Lake Constance) Too Many Requests If you report this error to the Wikimedia System Administrators, please include
72-520: The Island of Reichenau in the south, from the tip of Mettnau in the west to the Reichenau causeway with its well-visible poplar avenue in the east. According to legend, the name Gnade (English: Mercy or Grace ) of the lake comes from the time when the court house was located on the Island of Reichenau. If a defendant was sentenced to death, the execution of the sentence could not be carried out on
84-680: The Mettnau peninsula in the south. Its eastern boundary is at the level of the summit Mettnauspitze . With its maximum water depth of 16 m, the Markelfingen Winkel is the shallowest part of the lake. It has a tributary: the Mühlbach, which drains the Mindelsee . The mainly Swiss section of the lake south of the Island of Reichenau and its southwestern arm is known as Rheinsee ( lit. ' Lake Rhine ' ), not to be confused with Seerhein ( lit. ' Rhine of
96-430: The island, but only on the mainland because the island was "holy ground". Therefore, the condemned man was brought by boat to the mainland in the direction of Allensbach, where the sentence could be Gnade . Now, if the abbot wanted to pardon the condemned, he would ring a bell before the offender arrived on the other shore. This signaled to the executioner on the mainland, that prisoner had been pardoned. However, this story
108-645: The lake(s) ' ), which is the Upper and Lower Lakes connecting segment of the river Rhine). It is called the Seerhein because the current of the river follows exactly this path through the lake to the effluent of Lower Lake Constance in the Swiss town of Stein am Rhein , where the High Rhine starts. At the end of the lake, there are three small islands, called the Werd Islands . Where the Seerhein flows into
120-742: The larger lake. The main tributaries are the Seerhein and Radolfzeller Aach . The source of the latter is the Aachtopf , a karst spring whose waters mainly derive from the Danube Sinkhole , making the Danube indirectly a tributary of Untersee and the Rhine, respectively. The landscape surrounding the Untersee is very diverse. The Untersee contains two islands: Reichenau and Werd (near
132-402: The north of Lower Lake, surrounded by German territory, have names of their own: Zeller See ( lit. ' Lake of Radolfzell ' ), Gnadensee ( lit. ' Lake Mercy ' ) and Markelfinger Winkel ( lit. ' nook of Markelfingen ' ). The part in the south, which borders Switzerland, is called Rheinsee ( lit. ' Rhine Lake ' ). The Zeller See
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#1732772872096144-628: The transition to the High Rhine ). In the northeast is the peninsula Bodanrück ; in the northwest, the Hegau lowlands with the peninsula Mettnau ; in the west, the peninsula Höri , with a mountain called Schiener Berg , and in the south, the Seerücken , which reaches more than 90 m (300 ft) feet above the Untersee near Berlingen . Bordering the Lower Lake Constance are the Swiss cantons of Thurgau and Schaffhausen and
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