Lake DeSmet Fishing Report

Wyoming Fishing Reports ยท Lakes ยท Wind and Bighorn Region

Lake DeSmet near Buffalo is a big reservoir below the Bighorns with large rainbows, browns and perch.

Looking for the latest Lake DeSmet 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 Lake DeSmet.

Water level

There is no public daily water level gauge for Lake DeSmet that we can show here. Check with the managing agency or a local shop for the latest.

Wind forecast

Lake DeSmet fishing report

Updated November 7, 2026.

FishingFairWaterCoolHatchesNone

Fall trout are cruising the shallows.

Leeches and streamers along the shoreline.

Stocking report

See the Wyoming Game and Fish Department for the latest stocking at Lake DeSmet and other Wyoming waters.

Load your fly box

Before you head to Lake DeSmet, bring: Woolly Bugger #4-8, Mini Leech #8-10, Sparkle Minnow #4-6, Balanced Leech #10-12, Balanced Bou Leech #10-12, Slump Buster #6-8, Egg #12-14, Scud Bomb #12-16, Clouser Minnow #2-6, Pitching Leech #10.

Flies working right now

The flies above that we have in stock right now.

Lake DeSmet lake details

AccessPublic access off I-90 north of Buffalo.
ElevationAbout 4,600 ft
Nearest townBuffalo, Wyoming
Best seasonSpring and fall
FishRainbows, browns, perch and walleye
RegulationsCheck the Wyoming Game and Fish Department regulations for current rules. A Wyoming fishing license is required for anglers 14 and older.
Leaders and tippet9 ft leaders, 3X to 4X tippet
Ice fishingIce fishing.
CampingCamping at Lake DeSmet
KidsYes.
Good to knowWindy afternoons.

Fishing by season

Winter

Ice.

Spring

Ice-off.

Summer

Deep fish.

Fall

Shallow trout.

How to get there

From Buffalo, take I-90 north to the Lake DeSmet exit.

More Wind and Bighorn Wyoming reports