Seboeis River

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Seboeis River
CountryUnited States
Physical characteristics
 • locationMaine
 • elevation720 feet (220 m)
 • location
East Branch Penobscot River
 • coordinates
45°56′07″N 68°38′20″W / 45.9354°N 68.6389°W / 45.9354; -68.6389Coordinates: 45°56′07″N 68°38′20″W / 45.9354°N 68.6389°W / 45.9354; -68.6389
 • elevation
350 feet (110 m)
Length28 miles (45 km)
Basin features
ProgressionEast Branch Penobscot River – Penobscot River
 • leftLittle Seboeis River

The Seboeis River is a river in Penobscot County, Maine. The river is the outflow of Snowshoe Lake (46°14′41″N 68°37′03″W / 46.2447°N 68.6175°W / 46.2447; -68.6175 (Seboeis River source)) in Maine Township 7, Range 7, WELS; Snowshoe Lake is fed via a short stream from Grand Lake Seboeis. The river runs 28.1 miles (45.2 km)[1] south — through White Horse Lake, Seboeis Deadwater, Upper Seboeis River Gorge, and Gagnon Flat — to its confluence with the East Branch of the Penobscot River in T.3 R.7 WELS.

Grand Lake Seboeis[edit]

Grand Lake Seboeis
LocationPenobscot County, Maine
Coordinates46°18′N 68°39′W / 46.300°N 68.650°W / 46.300; -68.650[2]
Basin countriesUnited States
Max. length6.3 mi (10.1 km)[3]
Surface area2,602 acres (1,053 ha)[4]
Max. depth33 feet (10 m)[5]
Water volume109,085 acre⋅ft (134,554,000 m3)[4]
Surface elevation728 ft (222 m)[2]

Grand Lake Seboeis forms the headwaters of the Seboeis River and is the largest lake in the Seboeis River watershed. A central narrows separates the southern and northern basins of the lake located in Maine range 7 townships 7 and 8, respectively. The south end of the lake overflows into Snowshoe Lake. Tributaries to the lake include Batch Brook, Jones Brook, Dead Brook, Coombs Brook, and the Wadleigh Deadwater.[3] Stocking has introduced smallmouth bass to the native chain pickerel population.[5]

See also[edit]


  1. ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed June 22, 2011
  2. ^ a b U.S. Geological Survey Geographic Names Information System: Grand Lake Seboeis
  3. ^ a b The Maine Atlas and Gazetteer (Thirteenth ed.). Freeport, Maine: DeLorme Mapping Company. 1988. p. 57. ISBN 0-89933-035-5.
  4. ^ 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.
  5. ^ a b "Grand Lake Seboeis" (PDF). Maine Department of Inland Fisheries and Wildlife. State of Maine. Retrieved 7 May 2016.