Shuswap Lake
| Shuswap Lake | |
|---|---|
 Copper Island as seen from a beach in Shuswap Lake Provincial Park | |
 The three arms of Shuswap Lake | |
| Location | South-Central British Columbia |
| Coordinates | 50°56′00″N 119°17′00″W / 50.93333°N 119.28333°WCoordinates: 50°56′00″N 119°17′00″W / 50.93333°N 119.28333°W |
| Primary inflows | Adams River, Scotch Creek, Seymour River, Anstey River, Eagle River, Shuswap River (via Mara Lake/Sicmaous Narrows), Salmon River |
| Primary outflows | Little River |
| Basin countries | Canada |
| Average depth | 132 m (433 ft) |
| Max. depth | 267 m (875 ft) |
| Surface elevation | 347 m (1,138 ft) |
| Islands | 1 |
| Settlements | (see article) |
Shuswap Lake (pronounced /ˈʃuːʃwɑːp/) is a lake located in south-central British Columbia, Canada that drains via the Little River into Little Shuswap Lake. Little Shuswap Lake is the source of the South Thompson River, a branch of the Thompson River, a tributary of the Fraser River. It is at the heart of a region known as the Shuswap Country or "the Shuswap", noted for its recreational lakeshore communities including the city of Salmon Arm. The name "Shuswap" is derived from the Shuswap or Secwepemc First Nations people, the most northern of the Interior Salish peoples, whose territory includes the Shuswap.
Geography
Shuswap Lake consists of four arms, forming a shape reminiscent of the letter H. The four arms are called Salmon Arm (southwest), Anstey Arm (northeast), Seymour Arm (north), and the main lake (west). Shuswap Lake connects to Little Shuswap Lake via the Little River, which flows from the end of the west arm.
To the north-west it is fed by the Adams River, which drains Adams Lake. Shuswap Lake connects to Mara Lake at the Sicamous Channel. The Shuswap River connects via Mara Lake. In the south-west the Salmon River flows into the lake at Salmon Arm. The Eagle River runs down from the Eagle Pass in the Monashees to enter the lake at Sicamous, in the east. The Seymour River empties into the northern end of the Seymour Arm. In addition to these rivers, numerous creeks feed the lake, including Scotch Creek, which runs south to the north shore of the main arm, near the community of the same name.
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Geology
The central interior plateau of British Columbia drained by the Fraser and Okanagan rivers is part of the Shuswap terrane in British Columbia and northern Washington state. It is dissected by numerous elongated, glacially-overdeepened lake basins which are formed by the same mechanisms as coastal fjords.[1][2]
Provincial parks around Shuswap Lake
Several parks are located on the shores of Shuswap Lake, including:
- Shuswap Lake Provincial Park
- Shuswap Lake Marine Provincial Park
- Silver Beach Provincial Park
- Roderick Haig-Brown Provincial Park (home of the Adams River Sockeye Run)
- Cinnemousun Narrows Provincial Park (located at the center of the H)
Communities
Communities bordering the Shuswap Lakes include:
- Salmon Arm
- Celista
- Eagle Bay
- Scotch Creek
- Sorrento
- Blind Bay
- Tappen
- Anglemont
- Magna Bay
- Chase
- St. Ives
- SunnyBrae
- Canoe
- Sicamous
- Seymour Arm
References
- ↑ Nicholas Eyles, Henry T. Mullins, and Albert C. Hine; "Thick and fast: Sedimentation in a Pleistocene fiord lake of British Columbia, Canada"; Geology, November, 1990, v. 18, p. 1153-1157, doi:10.1130/0091-7613(1990)018<1153:TAFSIA>2.3.CO;2
- ↑ Richard L. Brown and J. Murray; "Tectonic denudation of the Shuswap metamorphic terrane of southeastern British Columbia"; Geology, February, 1987, v. 15, p. 142-146, doi:10.1130/00917613(1987)15<142:TDOTSM>2.0.CO;2
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