Fishing lakes in Lewis and Clark County

Fishing lakes in Lewis and Clark County, Montana include 11 lakes. Rainbow Trout is stocked most often. The most recent plant was June 1, 2026 at Willow Creek Reservoir. Helena and Augusta are towns with at least 2 lakes on this list.

Fishing near Helena

Stocked with Rainbow Trout, Kokanee Salmon, and Cutthroat Trout.

Montana Fish, Wildlife & Parks / U.S. Bureau of Reclamation
3,816.8 ft elevation
Kokanee Salmon 18 plants
Last stocked May 12, 2026 Open lake page →
3,908 ft elevation
Cutthroat TroutRainbow Trout 47 plants
Last stocked May 11, 2026 Open lake page →
3,653.7 ft elevation
Rainbow TroutKokanee Salmon 259 plants
Last stocked April 29, 2026 Open lake page →
3,580.7 ft elevation
Rainbow Trout 360 plants
Last stocked September 17, 2025 Open lake page →

Fishing near Augusta

Stocked with Rainbow Trout, Cutthroat Trout, Kokanee Salmon, and Tiger Muskie.

4,397.4 ft elevation
Rainbow TroutKokanee SalmonTiger Muskie 86 plants
Last stocked June 1, 2026 Open lake page →
6,475.1 ft elevation
Cutthroat Trout 21 plants
Last stocked May 21, 2026 Open lake page →

Species stocked in Lewis and Clark County

Other lakes in Lewis and Clark County

6,355.9 ft elevation
Rainbow TroutKokanee SalmonCutthroat Trout 73 plants
Last stocked September 17, 2025 Open lake page →
6,090.7 ft elevation
Rainbow TroutKokanee Salmon 40 plants
Last stocked May 12, 2026 Open lake page →
5,265.7 ft elevation
Cutthroat TroutLargemouth BassGolden Trout 9 plants
Last stocked September 30, 2024 Open lake page →
7,605.2 ft elevation
Cutthroat Trout 8 plants
Last stocked August 4, 2024 Open lake page →
Kristen Steele / Montana FWP
4,426.1 ft elevation
Rainbow TroutBrook TroutBrown Trout 66 plants
Last stocked May 26, 2026 Open lake page →

Other counties in Montana