| Seboeis River | |
| Mouth Coordinates: | 45.9354°N -68.6389°W |
| Subdivision Type1: | Country |
The Seboeis River is a river in Penobscot County, Maine. The river is the outflow of Snowshoe Lake (46.2447°N -68.6175°W) in Maine Township 7, Range 7, WELS; Snowshoe Lake is fed via a short stream from Grand Lake Seboeis. The river runs [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 | |
| Coords: | 46.3°N -107°W |
| Pushpin Map: | Maine |
| Basin Countries: | United States |
| Length: | 6.3miles[2] |
| Area: | [3] |
| Max-Depth: | 33feet[4] |
| Volume: | 109085acre.ft |
| Elevation: | 728feet |
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.[2] Stocking has introduced smallmouth bass to the native chain pickerel population.[4]