Westslope Cutthroat Fish per Mile Estimates on the Middle Fork Salmon River

Lower Middle Fork Salmon Watershed

This section runs up to but excluding Loon Creek. Idaho Fish and Game (IDFG) estimated that Westslope are present in 21 tributaries, totaling 275 miles for the entire length of all tributaries in which cutthroat trout were estimated to be present in some portion, and absent or unknown in 13 (88 miles). Mean density of cutthroat trout was estimated at 92 fish per mile based on sampling conducted during the period 1986 to 1993.

Big Creek Watershed

This section consists of the entire Big Creek drainage. Idaho Fish and Game (IDFG) estimated that Westslope are present in 12 tributaries, totaling 171 miles for the entire length of all tributaries in which cutthroat trout were estimated to be present in some portion, and absent or unknown in 12 (64 miles). Mean density of cutthroat trout was estimated at 227 fish per mile based on sampling conducted during the period 1986 to 1993.

Loon Creek Watershed

This section consists of the entire Loon Creek drainage. Idaho Fish and Game (IDFG) estimated that Westslope are present in 9 tributaries, totaling 99 miles for the entire length of all tributaries in which cutthroat trout were estimated to be present in some portion, and absent or unknown in 6 (26 miles). Mean density of cutthroat trout was estimated at 188 fish per mile based on sampling conducted during the period 1986 to 1993.

Marble Creek Watershed

This section consists of the entire Marble Creek drainage. Idaho Fish and Game (IDFG) estimated that Westslope are present in 11 tributaries, totaling 94 miles for the entire length of all tributaries in which cutthroat trout were estimated to be present in some portion. Mean density of cutthroat trout was estimated at 250 fish per mile based on sampling conducted during the period 1986 to 1993.

Upper Middle Fork Salmon Watershed

This section consists of the Middle Fork Salmon River watershed upstream from, and including, Indian Creek to, but excluding, Bear Valley Creek and Marsh Creek. Idaho Fish and Game (IDFG) estimated that Westslope are present in 27 tributaries, totaling 215 miles for the entire length of all tributaries in which cutthroat trout were estimated to be present in some portion, and absent or unknown in 1 (5 miles). Mean density of cutthroat trout was estimated at 180 fish per mile based on sampling conducted during the period 1986 to 1993.