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19-594: The cave, which houses a colony of bats, is a tourist attraction, and it is equipped with path and walkable scenic trails; one end of the cave leads to a veranda overlooking the Cagayan River . About 200 meters from the cave itself there is a doline , improperly referred to as the Macahambus Gorge . The place was the site of the Battle of Makahambus Hill (4 June 1900), the first of the few battles won by

38-464: A drainage area of about 27,300 square kilometres (10,500 sq mi). in the provinces of Apayao , Aurora , Cagayan, Ifugao , Isabela, Kalinga , Mountain Province , Nueva Vizcaya, and Quirino. The estimated annual discharge is 53,943 million cubic meters with a groundwater reserve of 47,895 million cubic meters. The Cagayan River and its tributaries are subject to extensive flooding during

57-735: Is a mountain range in the central part of Luzon island in the Philippines , situated between the Cordillera Central and Sierra Madre mountain ranges. The mountains serve as the location of the river source of the Cagayan River , the longest in the country. Several portions of the mountain range are protected under the National Integrated Protected Areas System, including the Casecnan Protected Landscape and

76-599: The Caraballo Mountains of the Central Luzon at an elevation of approximately 1,524 metres (5,000 ft). The river flows north for some 505 kilometres (314 mi) to its mouth at the Babuyan Channel near the town of Aparri , Cagayan . The river drops rapidly to 91 metres (299 ft) above sea level some 227 kilometres (141 mi) from the river mouth. Its principal tributaries are

95-769: The Pantabangan–Carranglan Watershed Forest Reserve . The Caraballo Mountains can be reached by the Pangasinan-Nueva Ecija Road, taking one and a half hours to travel from the Downtown of San Nicolas . The Caraballo Mountains gained tourists because of the attractions and waterfalls that the Mountain Range offers. The mountains have 100–500 people going to the range each day. Residents have their own backyard gardens, where they plant vegetables, which they sell in

114-559: The Pinacanauan , Chico , Siffu , Mallig , Magat and Ilagan Rivers . Magat River , is the largest tributary with an estimated annual discharge of 9,808 million cubic meters. It lies in the southwestern portion of the basin , stretching approximately 150 kilometres (93 mi) from Nueva Vizcaya down to its confluence with Cagayan River about 55 kilometres (34 mi) from the river mouth . Both Magat and Chico Rivers have extensive drainage areas which comprise about 1/3 of

133-603: The Río Grande de Cagayán , is the longest river and the largest river by discharge volume of water in the Philippines . It has a total length of approximately 505 kilometres (314 mi) and a drainage basin covering 27,753 square kilometres (10,715 sq mi). It is located in the Cagayan Valley region in northeastern part of Luzon Island and traverses the provinces of Nueva Vizcaya , Quirino , Isabela and Cagayan . The river's headwaters are at

152-464: The monsoon season in Southeast Asia from May to October. The average annual rainfall in 1,000 millimetres (39 in) in the northern part and 3,000 millimetres (120 in) in the southern mountains where the river's headwaters lie. Water from the mountains flow down very slowly because of surface retention over the extensive flood plain , the gorges in the gently-sloping mountains and

171-682: The Filipinos during the Philippine–American War . The Filipino troops in Macahambus were led by Lt. Cruz Taal and Col. Apolinar Velez. 8°45′00″N 125°00′00″E  /  8.7500°N 125.0000°E  / 8.7500; 125.0000 This article about a location in Northern Mindanao region is a stub . You can help Misplaced Pages by expanding it . Cagayan River The Cagayan River , also known as

190-542: The Magat River. Marshes and swamps are found in some parts of its lower reaches. Cagayan River and its tributaries have deposited sediments of Tertiary and Quaternary origin, mostly limestone sands and clays, throughout the relatively flat Cagayan Valley which is surrounded by the Cordillera Mountains in the west, Sierra Madre in the east and the Caraballo Mountains in the south. The river has

209-634: The Philippines. It supports the lives of numerous endemic and endangered species, like the Luzon bleeding-heart pigeon ( Gallicolumba luzonica ), Philippine eagle ( Pithecophaga jefferyi ) and a rare riverine fish, locally called ludong ( Cestreaus plicatilis ). The ludong spawns in Cagayan River's upper reaches in Jones, Isabela . In late October until mid-November, the fish travel down

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228-457: The meandering course of the river. Inundations of the Cagayan River and its tributaries have caused great loss of life and property and substantial losses to the local and national economies. The Philippine government has established several flood warning stations along the river. Experts are specifically monitoring the lower reaches from Tuguegarao to Aparri and the alluvial plain from Ilagan to Tumauini, Isabela . In November 2020, after

247-550: The mineral-rich Cordillera Mountains near the headwaters of the two tributary rivers. The provincial governments along the river have also developed tourism programs that offer activities on the river, particularly whitewater rafting . From mouth to source: The Pan-Philippine Highway generally follows the course of the river from Echague until the Magapit Suspension Bridge where it continues west. Caraballo Mountains The Caraballo Mountains

266-431: The onslaught of Typhoon Vamco (Ulysses), the river reached its peak level and caused floods along its vicinity due to the rainfall accumulated from the typhoon. This flooding was one of the worst floods in the river's history. The Magat Dam also contributed to the floods along the river when its floodgates opened due to a potential overflow. The Cagayan River passes through one of the few remaining primary forests in

285-635: The river to release their eggs at the river mouth near Aparri. In February, ludong fry by the millions are again caught in fine nets as these travel upstream. Due to the dwindling number of ludong caught yearly, local governments have imposed a ban on catching the fish and its fry, but the ban has failed. The river traverses four provinces: Nueva Vizcaya , Quirino , Isabela and Cagayan . These provinces have an approximate population of two million people, mostly farmers and indigenous tribesmen. The Ibanag people derive their tribe's name from Cagayan River's ancient name, Bannag . The Gaddang tribe lived in

304-507: The river's fish stocks. With worsening weather patterns and regular severe storms, even traditional agricultural means are insufficient to feed families although they were bountiful in the past century, leading to the more aggressive use of destructive techniques. This has been part of a vicious cycle of environmental degradation . Families still go to the banks of the river and its tributaries to wash clothes or have picnics. Until recently, boatmen would provide ferry service. For example,

323-589: The towns of Lasam and Gattaran are directly across the river from each other. A crossing by boat was the most convenient, but emergencies could be dangerous, such as having to fetch the doctor in Gattaran during a storm at night. Now the best way is by vehicle over the Magapit bridge . There are dams in two of the river's tributaries, the Magat and Chico Rivers , and there are also several mining concessions in

342-412: The upper reaches of the Cagayan River and its tributaries. The river drains a fertile valley that produces a variety of crops, including rice, corn, bananas, coconut, mangoes, citrus and tobacco. Fish were a plentiful source of nutrition for centuries, but in recent decades issues such as fertilizer runoff , destructive fishing methods and a burgeoning human population have led to a great decline in

361-572: The whole basin. The Ilagan River originates from the western slopes of the Sierra Madre and drains the eastern central portion of the Cagayan River basin with an estimated yearly discharge of 9,455 million cubic meters. It flows westward and joins the Cagayan River at Ilagan, Isabela , 200 kilometres (120 mi) from the mouth. The Siffu-Mallig system lies on the slope of the Central Cordillera ranges flowing almost parallel to

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