Blackfoot River (above the reservoir) Fishing Report

Idaho Fishing Reports ยท Southeast Region

Above Blackfoot Reservoir, the upper Blackfoot River winds through a sagebrush canyon with big Yellowstone cutthroat that run up from the reservoir.

Looking for the latest Blackfoot River, Idaho river report? This page is updated by the AvidMax fly shop team with live flows, current conditions, hatches and the flies working now on the Blackfoot River (above the reservoir).

Current flows

Wind forecast

Blackfoot River fishing report

Updated November 7, 2026.

FishingFairWaterLow, clearHatchesMidges

Flows are low in fall and the river is quiet.

Small nymphs and streamers in the deeper bends.

Load your fly box

Before you head to Above Blackfoot Reservoir, bring: Woolly Bugger #6-8, Pat', s Rubber Legs #6-10, Hopper #8-12, Parachute Adams #14-18, Pheasant Tail Nymph #14-16, Zebra Midge #18-22, RS2 Emerger #18-22, JuJu Baetis #18-22, Black Beauty #20-24, Egg #14-16, Squirmy Wormie #12-14.

Flies working right now

The flies above that we have in stock right now.

Blackfoot River details

AccessBLM and Forest Service roads along the upper river, including the Blackfoot River Wildlife Management Area.
ElevationAbout 6,200 ft
Nearest townSoda Springs, Idaho
Best seasonSummer and fall
FishYellowstone cutthroat trout
RegulationsCutthroat rules and seasonal closures apply. Check the Idaho Department of Fish and Game seasons and rules before you go. An Idaho fishing license is required for anglers 14 and older, plus a steelhead or salmon permit where those fish are targeted.
Leaders and tippet9 ft leaders, 4X to 5X tippet
CampingDispersed camping on BLM land
KidsPartly.
Good to knowRemote. Roads get muddy when wet.

Fishing by season

Winter

Snowed in.

Spring

Runoff and spawning cutthroat.

Summer

Hoppers and caddis.

Fall

Low water.

How to get there

From Soda Springs, take State Highway 34 north and the Blackfoot River roads.

More Southeast Idaho reports