Yellowstone County, MT
Rattlesnake Reservoir
About this water
Rattlesnake Reservoir is a reservoir in Yellowstone County, Montana. State records show it stocked 5 times between 2018 and 2025. Every recorded release has been rainbow trout. 3,500 rainbow trout have gone in across 5 releases.
Stocking history
5 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| May 13, 2025 | Rainbow Trout · Arlee | 500 | 2.3" | Miles City Fish Hatchery |
| May 23, 2024 | Rainbow Trout · Arlee | 500 | 1.8" | Miles City Fish Hatchery |
| May 19, 2023 | Rainbow Trout · Arlee | 500 | 2.3" | Miles City Fish Hatchery |
| Apr 24, 2019 | Rainbow Trout · Arlee | 1,000 | 1.9" | Miles City Fish Hatchery |
| May 2, 2018 | Rainbow Trout · Arlee | 1,000 | 2.0" | Miles City Fish Hatchery |
Stocking records for Rattlesnake 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.


