Loading map…
About this water
Wadsworth Lake is a lake in Montana. State records show it stocked 93 times between 2000 and 2026. The most-stocked species are rainbow trout, walleye and largemouth bass, with 2 more on record. 122,628 rainbow trout have gone in across 62 releases.
Stocking history
93 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| May 26, 2026 | Rainbow Trout · Arlee X Erwin - Ennis | 1,000 | 7.9" | Giant Springs Trout Hatchery |
| May 6, 2026 | Rainbow Trout · Arlee X Erwin - Ennis | 1,000 | 7.5" | Giant Springs Trout Hatchery |
| Oct 14, 2025 | Rainbow Trout · Arlee | 3,000 | 8.7" | Giant Springs Trout Hatchery |
| Aug 14, 2025 | Largemouth Bass · Miles City | 5,000 | 2.5" | Miles City Fish Hatchery |
| Jun 17, 2025 | Walleye · Fort Peck | 5,740 | 1.1" | Fort Peck Hatchery |
| Jun 3, 2025 | Rainbow Trout · Arlee X Erwin - Ennis | 1,000 | 7.5" | Giant Springs Trout Hatchery |
| Apr 28, 2025 | Rainbow Trout · Arlee X Erwin - Ennis | 1,500 | 7.0" | Giant Springs Trout Hatchery |
| Oct 9, 2024 | Rainbow Trout · Arlee | 1,000 | 8.1" | Giant Springs Trout Hatchery |
| Aug 13, 2024 | Largemouth Bass · Miles City | 5,000 | 1.4" | Miles City Fish Hatchery |
| Jun 7, 2024 | Rainbow Trout · Arlee X Erwin - Ennis | 1,000 | 7.2" | Giant Springs Trout Hatchery |
| May 1, 2024 | Rainbow Trout · Arlee X Erwin - Ennis | 1,000 | 6.7" | Giant Springs Trout Hatchery |
| Oct 4, 2023 | Rainbow Trout · Arlee | 1,000 | 7.8" | Giant Springs Trout Hatchery |
Showing the 12 most recent of 93. Stocking records for Wadsworth Lake published by Montana Fish, Wildlife & Parks. Stocking does not guarantee fish are present. Check current regulations and access before you go. See the full Montana stocking report.
More fishing spots near Upper Missouri River Guides
Browse all fishing spots
