Grasshopper Reservoir trout stocking
Blaine County, Montana · lake · 3,082 ft elevation
Grasshopper Reservoir was last stocked 5 months ago (May 26, 2026). We have 3 stockings on record since Apr 30, 2025, 1 in the last 12 months (4,000 fish). Most stockings come in April to May and September. Species stocked: rainbow trout.
- Number 4 of 17 stocked waters in Blaine County by stocking days.
- Stocked more often than 77% of Montana waters on our record.
Weather at Grasshopper Reservoir
- Overnight43°FMostly Cloudywind 10 to 20 mph
- Sunday64°FMostly Cloudy1% rain · wind 17 to 32 mph
- Sunday Night39°FPartly Cloudywind 12 to 21 mph
- Monday52°FPartly Sunnywind 3 to 12 mph
- Monday Night40°FMostly Cloudy3% rain · wind 3 to 10 mph
- Tuesday57°FMostly Sunny3% rain · wind 10 to 28 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Grasshopper Reservoir stocked?
Most stockings come in April to May and September.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | |||||||||||
| 2025 | 1 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Rainbow trout | 3 | 10,597 | 3,532 | 2.9 in |
Stocking history
20261 stocking · 4,000 fish
| Date | Species | Fish | Size | Since previous | Hatchery |
|---|---|---|---|---|---|
May 26Latest Tuesday | Rainbow trout | 4,000 | 2.7 in | 35 weeks | Fort Peck Hatchery |
20252 stockings · 6,597 fish
| Date | Species | Fish | Size | Since previous | Hatchery |
|---|---|---|---|---|---|
Sep 23 Tuesday | Rainbow trout | 2,597 | 7.3 in | 146 days | Big Springs Trout Hatchery |
Apr 30 Wednesday | Rainbow trout | 4,000 | 2.9 in | Fort Peck Hatchery |
From Montana fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go. Seasons and limits: Montana fishing regulations.
Where is Grasshopper Reservoir?
Blaine County, Montana. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Grasshopper Reservoir
- H.C. Kuhr Reservoirlake · 4 mistocked May 26, 2026
- Ross Reservoirlake · 11 mistocked Sep 21, 2026
- Faber Reservoirlake · 13 mistocked Jul 2, 2026
- Clear Creekstream · 14 mistocked May 21, 2025
- Salmo Reservoirlake · 15 mistocked May 26, 2026
- Bearpaw Lake (; Beaver Lake)lake · 18 mistocked Sep 16, 2026
- Anderson Reservoirlake · 19 mistocked Sep 24, 2026
- North Faber Reservoirlake · 19 mistocked May 26, 2026
All stocked waters in Blaine CountyStocked this week in Montana
Questions about Grasshopper Reservoir
- When was Grasshopper Reservoir last stocked?
- The latest reported stocking was May 26, 2026 (rainbow trout, 4,000 fish), according to Montana agency reports.
- How often is Grasshopper Reservoir stocked?
- It was stocked once in the last 12 months. Across all years on record, most stockings come in April to May and September.
- Is Grasshopper Reservoir stocked often?
- Number 4 of 17 stocked waters in Blaine County by stocking days. Stocked more often than 77% of Montana waters on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Grasshopper Reservoir?
- Rainbow trout (3 stockings, 10,597 fish).