MT
Halfmoon Lake
Around here
Around Halfmoon Lake
Before you go
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this water
Halfmoon Lake is a lake in Montana. State records show it stocked 16 times between 2004 and 2026. The most-stocked species are brook trout and largemouth bass. 43,990 brook trout have gone in across 10 releases.
Boat access nearby
One mapped launch sits within 2 miles of Halfmoon Lake. Ramp data comes from the USGS national boat-ramp inventory.
Stocking history
16 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| May 8, 2026 | Brook Trout · LaBlanc - Crystal Lake | 4,435 | 3.6" | Giant Springs Trout Hatchery |
| Apr 27, 2025 | Brook Trout · Utah | 4,000 | 3.0" | Giant Springs Trout Hatchery |
| May 25, 2022 | Brook Trout · LaBlanc - Crystal Lake | 4,000 | 2.2" | Flathead Lake Salmon Hatchery |
| May 19, 2021 | Brook Trout · LaBlanc - Crystal Lake | 3,600 | 2.8" | Flathead Lake Salmon Hatchery |
| Jul 13, 2020 | Brook Trout · LaBlanc - Crystal Lake | 3,950 | 3.0" | Flathead Lake Salmon Hatchery |
| May 20, 2019 | Brook Trout · LaBlanc - Crystal Lake | 3,500 | 2.5" | Flathead Lake Salmon Hatchery |
| Jun 28, 2018 | Brook Trout · LaBlanc - Crystal Lake | 5,000 | 5.0" | Flathead Lake Salmon Hatchery |
| May 1, 2017 | Brook Trout · LaBlanc - Crystal Lake | 5,000 | 2.4" | Flathead Lake Salmon Hatchery |
| May 12, 2016 | Brook Trout · LaBlanc - Crystal Lake | 5,500 | 2.0" | Flathead Lake Salmon Hatchery |
| May 26, 2015 | Brook Trout · LaBlanc - Crystal Lake | 5,005 | 2.0" | Flathead Lake Salmon Hatchery |
| Jul 27, 2011 | Largemouth Bass · Miles City | 5,500 | 1.5" | Miles City Fish Hatchery |
| Jul 27, 2010 | Largemouth Bass · Miles City | 5,500 | 1.3" | Miles City Fish Hatchery |
Showing the 12 most recent of 16. Stocking records for Halfmoon 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.
Made to print
Put Halfmoon Lake 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.






