The Dease Plateau is a sub-plateau of the larger

Yukon Plateau The Yukon Plateau is a plateau (also defined as a plain) located in the Yukon Territory, comprising much of the central and southern Yukon Territory and the far northern part of British Columbia, Canada between Tagish Lake (W) and the Cassiar Moun ...

, and is located in far northern

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...

, Canada, northwest from the

Deadwood River The Deadwood River is a tributary of the Dease River in the far north of British Columbia, Canada. It forms the southeastern boundary of the Dease Plateau, which extends northward to the Yukon Yukon (; ; formerly called Yukon Territory and a ...

to and beyond the

Yukon Yukon (; ; formerly called Yukon Territory and also referred to as the Yukon) is the smallest and westernmost of Canada's three territories. It also is the second-least populated province or territory in Canada, with a population of 43,964 as ...

-British Columbia boundary. The plateau is named in association with

Dease Lake Dease Lake is a small community located in the Cassiar Country of the Northern Interior of British Columbia, Canada. It is located a few hours south of the Yukon border on Stewart–Cassiar Highway (Highway 37) at the south end of the lake ...

and the

Dease River The Dease River flows through northwestern British Columbia, Canada and is a tributary of the Liard River. The river descends from Dease Lake, though its ultimate origin is in the headwaters of Little Dease Creek at Snow Peak, approximately we ...

. Very mountainous in some of its vast area, it is in some classification systems it is included as a subarea of the Cassiar Mountains.''Landforms of British Columbia'', S. Holland, publ. British Columbia Govt., 1976

Subranges

* Horseranch Range

References

Plateaus of British Columbia Cassiar Mountains Liard Country {{BritishColumbiaInterior-geo-stub