Stewart Lake trout stocking
Granite County, Montana · lake · 6,714 ft elevation
Stewart Lake was last stocked 6 months ago (May 24, 2026). We have 2 stockings on record since May 30, 2025, 1 in the last 12 months (2,970 fish). Species stocked: westslope cutthroat trout.
Last stocked
6 months ago
May 24, 2026
Next planned
Not announced
Last 12 months
1 stocking
2,970 fish
On record
2 stockings
since May 30, 2025
- The third most stocked of 9 waters in Granite County.
- Stocked about as often as a typical Montana water on our record.
Weather at Stewart Lake
- Overnight28°FMostly Clearwind 9 mph
- Friday40°FMostly Sunny2% rain · wind 7 to 10 mph
- Friday Night35°FPartly Cloudy2% rain · wind 10 to 15 mph
- Saturday47°FMostly Sunnywind 3 to 13 mph
- Saturday Night39°FPartly Cloudywind 7 to 20 mph
- Sunday42°FMostly Sunny1% rain · wind 5 to 20 mph
Forecast from the National Weather Service for this location, refreshed hourly.
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Westslope cutthroat trout | 2 | 6,006 | 3,003 | 4.7 in |
Stocking history
20261 stocking · 2,970 fish
| Date | Species | Fish | Size | Since previous | Hatchery |
|---|---|---|---|---|---|
May 24Latest Sunday | Westslope cutthroat trout | 2,970 | 4.7 in | 359 days | Washoe Park Trout Hatchery |
20251 stocking · 3,036 fish
| Date | Species | Fish | Size | Since previous | Hatchery |
|---|---|---|---|---|---|
May 30 Friday | Westslope cutthroat trout | 3,036 | 4.4 in | Washoe Park Trout 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 Stewart Lake?
Granite County, Montana. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Stewart Lake
- Echo Lakelake · 9 mistocked Sep 8, 2026
- Georgetown Lakelake · 13 mistocked Sep 8, 2026
- Amc Wildlife Pond (; Hog Hole)lake · 17 mistocked Sep 15, 2026
- East Fork Reservoirlake · 18 mistocked Jun 15, 2026
- Barker Lake, Lowerlake · 19 mistocked Sep 17, 2025
- Barker Lake, Upperlake · 19 mistocked Sep 25, 2025
- Duck Lakelake · 20 mistocked Oct 2, 2025
- Conad Pondlake · 21 mistocked Jun 18, 2026
All stocked waters in Granite CountyStocked this week in Montana
Questions about Stewart Lake
- When was Stewart Lake last stocked?
- The latest reported stocking was May 24, 2026 (westslope cutthroat trout, 2,970 fish), according to Montana agency reports.
- How often is Stewart Lake stocked?
- It was stocked once in the last 12 months.
- Is Stewart Lake stocked often?
- The third most stocked of 9 waters in Granite County. Stocked about as often as a typical Montana water on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Stewart Lake?
- Westslope cutthroat trout (2 stockings, 6,006 fish).