Species: Salvelinus confluentus pop. 2

G - 200,000-2,500,000 square km (about 80,000-1,000,000 square miles) - G - This distinct population segment of bull trout includes populations residing in the Columbia River and its tributaries in portions of Oregon, Washington, Idaho, and Montana, including four geographic areas (1) lower Columbia River (downstream of the Snake River confluence), (2) mid-Columbia River (Snake River confluence to Chief Joseph Dam), (3) upper Columbia River (upstream from Chief Joseph Dam), and (4) Snake River and its tributaries (including the Lost River drainage) (USFWS 1998). Populations in Canada are not included.<br><br>Remaining important strongholds for this DPS tend to be found in large areas of contiguous habitats in the Snake River basin of central Idaho Mountains, upper Clark Fork and Flathead rivers in Montana, and the Blue Mountains in Washington and Oregon (USFWS 1998).