Wheatland County, MT
Martinsdale Reservoir
Around here
Around Martinsdale Reservoir
Camping5
Data Source: Recreation.gov · Public land: USGS PAD-US
About this water
Martinsdale Reservoir is a reservoir in Wheatland County, Montana. State records show it stocked 81 times between 2000 and 2026. The most-stocked species are rainbow trout, westslope cutthroat trout and yellowstone cutthroat trout, with 1 more on record. 1,573,054 rainbow trout have gone in across 65 releases.
Boat access nearby
One mapped launch sits within 2 miles of Martinsdale Reservoir. Ramp data comes from the USGS national boat-ramp inventory.
Stocking history
81 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| May 28, 2026 | Rainbow Trout · Arlee | 29,728 | 5.3" | Giant Springs Trout Hatchery |
| May 14, 2026 | Rainbow Trout · Arlee | 25,272 | 5.3" | Giant Springs Trout Hatchery |
| May 21, 2025 | Rainbow Trout · Arlee | 20,569 | 5.3" | Giant Springs Trout Hatchery |
| May 20, 2025 | Rainbow Trout · Arlee | 34,431 | 5.3" | Giant Springs Trout Hatchery |
| May 21, 2024 | Rainbow Trout · Arlee | 27,770 | 4.9" | Giant Springs Trout Hatchery |
| May 21, 2024 | Rainbow Trout · Arlee | 28,743 | 4.8" | Giant Springs Trout Hatchery |
| May 31, 2023 | Rainbow Trout · Arlee | 10,366 | 4.8" | Giant Springs Trout Hatchery |
| May 25, 2023 | Rainbow Trout · Arlee | 42,556 | 4.8" | Giant Springs Trout Hatchery |
| Oct 6, 2022 | Rainbow Trout · Gerrard | 5,277 | 4.6" | Big Springs Trout Hatchery |
| May 18, 2022 | Rainbow Trout · Arlee | 49,522 | 3.8" | Big Springs Trout Hatchery |
| May 17, 2022 | Brown Trout · Wyoming | 10,355 | 3.9" | Big Springs Trout Hatchery |
| Aug 17, 2021 | Rainbow Trout · Gerrard | 3,130 | 3.7" | Big Springs Trout Hatchery |
Showing the 12 most recent of 81. Stocking records for Martinsdale 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.
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