East Branch Penobscot 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.

East Branch Penobscot River
East Branch Penobscot River, northeast of Millinocket, Maine.
Location
CountryUnited States
Physical characteristics
Source 
  locationMaine
  elevation1,000 feet (300 m)
Mouth 
  location
Penobscot River
  coordinates
45°36′32″N 68°32′02″W
  elevation
240 feet (70 m)
Length75 miles (121 km)
Basin features
Tributaries 
  leftSeboeis River

Course

From its source (46°16′01″N 69°12′08″W) 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
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. U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-04-05 at WebCite, 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. 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. "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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