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; -68.6389
 • 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

Grand Lake Seboeis
Grand Lake Seboeis is located in Maine
Grand Lake Seboeis
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


  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.