East Branch Penobscot River

River in the United States
East Branch Penobscot River is located in Maine
East Branch Penobscot River
LocationCountryUnited StatesPhysical characteristicsSource  • locationMaine • elevation1,000 feet (300 m) Mouth 
 • location
Penobscot River
 • coordinates
45°36′32″N 68°32′02″W / 45.60889°N 68.53389°W / 45.60889; -68.53389
 • elevation
240 feet (70 m)Length75 miles (121 km)Basin featuresTributaries  • leftSeboeis River

The East Branch Penobscot River is a 75.3-mile-long (121.2 km)[1] tributary of Maine's Penobscot River. It flows in Piscataquis County and Penobscot County.

Course

From its source (46°16′01″N 69°12′08″W / 46.2670°N 69.2023°W / 46.2670; -69.2023 (East Branch Penobscot River source)) in Maine Township 7, Range 11, WELS, in Piscataquis County, the river runs 17 miles (27 km)[1] southeast through the North Maine Woods to Grand Lake Matagamon reservoir, in the northeast corner of Baxter State Park. From Grand Lake Dam, the river runs 48 miles (77 km)[1] south to its confluence with the West Branch Penobscot River in Medway, Penobscot County.

Matagamon Lake

Grand Lake Matagamon
Coordinates46°10′25″N 68°50′33″W / 46.17361°N 68.84250°W / 46.17361; -68.84250
Max. length8 mi (13 km)[2]
Surface area4,868 acres (1,970 ha)[3]
Max. depth95 feet (29 m)[4]
Water volume80,878 acre⋅ft (99,762,000 m3)[3]
Surface elevation653 ft (199 m)[5]

Grand Lake Matagamon or Matagamon Lake is a reservoir on the East Branch, impounded by Grand Lake Dam. The dam was built at the outlet of First Lake, and flooded vast expanses of low-lying land extending upstream to include Second Lake.

The shallow water habitat created by the dam is more suitable for yellow perch, fallfish, and longnose sucker rather than for trout.[4]

See also

References

  1. ^ a b c U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-03-29 at the Wayback Machine, accessed June 22, 2011
  2. ^ The Maine Atlas and Gazetteer (Thirteenth ed.). Freeport, Maine: DeLorme Mapping Company. 1988. pp. 51&57. ISBN 0-89933-035-5.
  3. ^ a b Maine Depts. of Environmental Protection and Inland Fisheries & Wildlife (2005-08-04). "Maine Lakes: Morphometry and Geographic Information". Senator George J. Mitchell Center for Environmental and Watershed Research, The University of Maine. Archived from the original on 2006-09-03. Retrieved 2008-07-31.
  4. ^ a b "Matagamon Lake" (PDF). Maine Department of Inland Fisheries and Game. State of Maine. Archived from the original (PDF) on 1 February 2017. Retrieved 4 May 2016.
  5. ^ U.S. Geological Survey Geographic Names Information System: Grand Lake Matagamon
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Penobscot River Watershed
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Rivers of Maine by drainage system
Bay of Fundy
Passamaquoddy Bay
  • Little River (Big Lake)
  • Little River (Passamaquoddy Bay)
  • Pennamaquan River
  • St. Croix River
Saint John River Watershed
Casco Bay
Fore River Watershed
Presumpscot River Watershed
Others
Gulf of Maine
Blue Hill Bay
(Union River Watershed)
Chandler Bay
  • Sandy River
Dennys Bay
Englishman Bay
Frenchman Bay
Harrington Bay
Little River Watershed
Machias Bay
(Machias River Watershed)
Mousam River Watershed
Narraguagus Bay
(Narraguagus River Watershed)
Pleasant Bay
(Pleasant River Watershed)
Piscataqua River Watershed
Sheepscot River Watershed
Wohoa Bay
Others
Merrymeeting Bay
Androscoggin River Watershed
Kennebec River Watershed
Muscongus Bay
Saint George River Watershed
Others
Penobscot Bay
Penobscot River Watershed
Others
Saco Bay
Saco River Watershed
Others


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