MT
Cooney Reservoir
Around here
Around Cooney Reservoir
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this water
Cooney Reservoir is a reservoir in Montana. State records show it stocked 226 times between 2000 and 2026. The most-stocked species are rainbow trout, walleye and yellowstone cutthroat trout. 3,375,981 rainbow trout have gone in across 215 releases.
Boat access nearby
3 mapped launches sit within 2 miles of Cooney Reservoir, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
Stocking history
226 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| May 21, 2026 | Rainbow Trout · Arlee X Erwin - Ennis | 5,181 | 9.0" | Bluewater Springs Trout Hatchery |
| May 20, 2026 | Rainbow Trout · Arlee X Erwin - Ennis | 7,850 | 9.0" | Bluewater Springs Trout Hatchery |
| Mar 9, 2026 | Rainbow Trout · Arlee | 9,959 | 2.4" | Bluewater Springs Trout Hatchery |
| Oct 16, 2025 | Rainbow Trout · Arlee | 5,525 | 9.7" | Bluewater Springs Trout Hatchery |
| Oct 14, 2025 | Rainbow Trout · Arlee | 4,410 | 11.6" | Bluewater Springs Trout Hatchery |
| Oct 14, 2025 | Rainbow Trout · Arlee | 4,410 | 11.6" | Bluewater Springs Trout Hatchery |
| Oct 14, 2025 | Rainbow Trout · Arlee | 4,410 | 11.6" | Bluewater Springs Trout Hatchery |
| Oct 14, 2025 | Rainbow Trout · Arlee | 4,410 | 11.6" | Bluewater Springs Trout Hatchery |
| Oct 13, 2025 | Rainbow Trout · Arlee | 3,400 | 12.0" | Bluewater Springs Trout Hatchery |
| May 20, 2025 | Rainbow Trout · Arlee X Erwin - Ennis | 8,001 | 9.6" | Bluewater Springs Trout Hatchery |
| May 20, 2025 | Rainbow Trout · Arlee X Erwin - Ennis | 8,598 | 9.8" | Bluewater Springs Trout Hatchery |
| May 20, 2025 | Rainbow Trout · Arlee X Erwin - Ennis | 7,438 | 9.6" | Bluewater Springs Trout Hatchery |
Showing the 12 most recent of 226. Stocking records for Cooney Reservoir 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.
Made to print
Put Cooney Reservoir on your wall
This water as an art print: the shoreline, the rivers that feed it and the country around it, drawn from real elevation and USGS water data. Frame it tighter or wider before you print. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
