Southwest Idaho

Desert tailwaters, mountain freestones, and fishing close to home.

Southwest Idaho offers an unusually broad mix of fisheries, from the Boise River running through the Treasure Valley to remote desert canyons and forested mountain drainages. Track reports for the Boise, Payette, Owyhee, South Fork Boise, Little Salmon, and surrounding waters.

Rivers

2

Recent reports

9

Last updated

September 1, 2026

Rivers

Lakes

Latest by river

DateRiverConditions
September 1, 2026Boise River, Strawberry Glen to Barber DamStable flows and warm afternoon temperatures make nymphing with small attractors and mayfly patterns the ticket on the Boise through early fall.
September 1, 2026Owyhee RiverCold, gin-clear water and stable low flows make the Owyhee a prime sight-fishing opportunity in early September, with midges in the morning giving way to strong BWO activity by afternoon.