Fishing lakes in Big Horn County

Fishing lakes in Big Horn County, Montana include 5 lakes. Walleye is stocked most often. The most recent plant was May 6, 2026 at Yellowtail Afterbay Reservoir. Fort Smith is a town with at least 2 lakes on this list.

5 locations shown. Click a pin for details.

Fishing near Fort Smith

Stocked with Walleye, Rainbow Trout, Sauger, and Cutthroat Trout.

Yellowtail Afterbay Reservoir
3,195 ft elevation
Rainbow TroutWalleyeCutthroat Trout 22 plants
Last stocked May 6, 2026 Open lake page →
Oldeststudent2004
Bighorn Lake
3,639 ft elevation
SaugerWalleyeRainbow Trout 43 plants
Last stocked June 11, 2025 Open lake page →

Other lakes in Big Horn County

Arapooish Pond
2,875.8 ft elevation
Largemouth Bass 4 plants
Last stocked September 12, 2023 Open lake page →
Sage Creek
3,840.2 ft elevation
Cutthroat Trout 35 plants
Last stocked September 25, 2014 Open lake page →
Tongue River Reservoir
3,414.2 ft elevation
WalleyeCrappie 47 plants
Last stocked October 20, 2025 Open lake page →

Other counties in Montana