Fishing lakes in Fergus County

Fishing lakes in Fergus County, Montana include 7 lakes. Rainbow Trout is stocked most often. The most recent plant was June 5, 2026 at Upper Frog Pond. Lewistown is a town with at least 2 lakes on this list.

7 locations shown. Click a pin for details.

Fishing near Lewistown

Stocked with Rainbow Trout, Smallmouth Bass, Brook Trout, and Tiger Trout.

Upper Carters Pond
4,055.1 ft elevation
Rainbow TroutBrook TroutTiger Trout 39 plants
Last stocked June 3, 2026 Open lake page →
Carters Pond
4,017.4 ft elevation
Rainbow TroutBrook Trout 33 plants
Last stocked May 21, 2026 Open lake page →
Warm Spring Creek
3,108.3 ft elevation
Rainbow TroutSmallmouth Bass 16 plants
Last stocked July 10, 2013 Open lake page →

Species stocked in Fergus County

Species Plants Lakes
Rainbow Trout 189 7
Largemouth Bass 22 2
Cutthroat Trout 7 1
Walleye 7 1
Smallmouth Bass 6 1
Brook Trout 4 2
Tiger Trout 3 2
Tiger Muskie 2 1

Other lakes in Fergus County

Anita Reservoir
2,743.2 ft elevation
WalleyeLargemouth BassRainbow TroutBluegill 29 plants
Last stocked August 6, 2025 Open lake page →
Big Casino Creek Reservoir
4,039.6 ft elevation
Rainbow TroutLargemouth BassTiger Muskie 30 plants
Last stocked August 7, 2025 Open lake page →
Hansen Reservoir
4,243.5 ft elevation
Rainbow TroutCutthroat TroutTiger Trout 28 plants
Last stocked October 15, 2025 Open lake page →
Upper Frog Pond
3,958.7 ft elevation
Rainbow Trout 66 plants
Last stocked June 5, 2026 Open lake page →

Other counties in Montana