Slocan Lake is a lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 in the Slocan Country of the West Kootenay

West Kootenay

West Kootenay was a provincial electoral district in the Canadian province of British Columbia. It was formed along with East Kootenay from a redistribution of the old Kootenay riding, which was one of the province's original twelve.- Demographics :...

 region of the Southeastern Interior of British Columbia

British Columbia Interior

The British Columbia Interior or BC Interior or Interior of British Columbia, usually referred to only as the Interior, is one of the three main regions of the Canadian province of British Columbia, the other two being the Lower Mainland, which comprises the overlapping areas of Greater Vancouver...

, Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

. it is drained by the Slocan River

Slocan River

The Slocan River is a long tributary of the Kootenay River in the Canadian province of British Columbia. It is part of the Columbia River basin, as the Kootenay River is a tributary of the Columbia River...

, which flows south from the lake's foot at Slocan City

Slocan, British Columbia

The Village of Slocan, commonly known as Slocan City, is a village in the Slocan Valley of the West Kootenay region of the southeastern Interior of British Columbia, Canada...

 through the Slocan Valley

Slocan Valley

The Slocan Valley is a valley in the West Kootenay region of British Columbia, Canada.The valley is home to the villages of Slocan City, New Denver, Silverton, as well as the unincorporated communities of Crescent Valley, Slocan Park, Passmore, Vallican, Winlaw, Appledale, Perry Siding, Lemon...

 to South Slocan, British Columbia, where that river meets the Kootenay River

Kootenay River

The Kootenay is a major river in southeastern British Columbia, Canada and the northern part of the U.S. states of Montana and Idaho. It is one of the uppermost major tributaries of the Columbia River, which is the largest North American river that empties into the Pacific Ocean...

 a few miles above its confluence with the Columbia

Columbia River

The Columbia River is the largest river in the Pacific Northwest region of North America. The river rises in the Rocky Mountains of British Columbia, Canada, flows northwest and then south into the U.S. state of Washington, then turns west to form most of the border between Washington and the state...

. It is fed by Bonanza Creek, which comes down the pass from Summit Lake, beyond which is the town of Nakusp

Nakusp, British Columbia

The Village of Nakusp is a small community located on the shores of Upper Arrow Lake, a portion of the Columbia River, in the West Kootenay region of British Columbia...

 on Upper Arrow Lake

Arrow Lakes

The Arrow Lakes in British Columbia, Canada, divided into Upper Arrow Lake and Lower Arrow Lake, are widenings of the Columbia River. The lakes are situated between the Selkirk Mountains to the east and the Monashee Mountains to the west. Beachland is fairly rare, and is interspersed with rocky...

.

In addition to Slocan City (officially named "Slocan" only but usually referred to locally by its old name of Slocan City to distinguish it from Slocan Park and other communities), other towns and communities on the lake include the twin communities of New Denver

New Denver, British Columbia

New Denver is a village in southeastern British Columbia, Canada, along the shore of Slocan Lake. New Denver was founded as a mining town in 1892, and briefly known as Eldorado City before being renamed after Denver, Colorado. It was incorporated as a village in 1929 and currently has approximately...

 and Silverton

Silverton, British Columbia

Silverton is a village in the Slocan Valley area of the West Kootenay region of southeastern British Columbia, Canada. It is located on the eastern shore of Slocan Lake south of New Denver. It is British Columbia's smallest municipality in both population and area....

, midway up the lake's eastern shore, Rosebery

Rosebery, British Columbia

Rosebery is an unincorporated community on the east side of Slocan Lake in the Slocan Valley of the West Kootenay region of southeastern British Columbia, Canada, located north of the Village of New Denver...

 slightly north of them at the mouth of Wilson Creek, and Hills at the lake's north end.