About this water
Zimmer Lake is a 24 acre lake in Park County, Montana. State records show it stocked 4 times between 2000 and 2024. Every recorded release has been yellowstone cutthroat trout. 10,400 yellowstone cutthroat trout have gone in across 4 releases.
Stocking history
4 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Jul 29, 2024 | Yellowstone Cutthroat Trout · Yellowstone Basin-Big Timber | 2,600 | 2.3" | Yellowstone River Trout Hatchery |
| Jul 20, 2016 | Yellowstone Cutthroat Trout · Yellowstone Basin-Big Timber | 2,600 | 2.4" | Yellowstone River Trout Hatchery |
| Jul 22, 2008 | Yellowstone Cutthroat Trout · Goose Lake | 2,600 | 2.4" | Yellowstone River Trout Hatchery |
| Aug 8, 2000 | Yellowstone Cutthroat Trout · McBride Lake - Big Timber | 2,600 | 2.1" | Yellowstone River Trout Hatchery |
Stocking records for Zimmer 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.


