The Tsimpsean Peninsula is a peninsula in the Range 5 Coast Land District on the North Coast of British Columbia, extending between Chatham Sound and Work Channel, and extending south to the Skeena River.

The Tsimpsean Peninsula is broken into two main ecosystems:[2] Coastal Lowlands are characterized by low topography, alternating bedrock and muskeg.

Notable wildlife associated with this habitat includes Sandhill Cranes, Canada Geese, Wilson's snipe, Sitka Deer, Wolf, and Black Bear.

[2] Central Highlands consist of rugged mountains covered by montane vegetation and temperate rainforest.

Notable wildlife associated with this habitat includes Deer, bald eagle, grouse, squirrel and marten.