Flinstone Reservoir trout stocking
Phillips County, Montana · lake · 2,863 ft elevation
Flinstone Reservoir was last stocked 5 months ago (Jun 8, 2026). We have 2 stockings on record since May 29, 2025, 1 in the last 12 months (1,000 fish). Species stocked: rainbow trout.
Last stocked
5 months ago
Jun 8, 2026
Next planned
Not announced
Last 12 months
1 stocking
1,000 fish
On record
2 stockings
since May 29, 2025
- Tied for the most stocked water in Phillips County (2 stocking days on record).
- Stocked about as often as a typical Montana water on our record.
Weather at Flinstone Reservoir
- Overnight47°FMostly Cloudy2% rain · wind 25 mph
- Saturday62°FMostly Sunny3% rain · wind 6 to 24 mph
- Saturday Night40°FPartly Cloudy1% rain · wind 3 to 8 mph
- Sunday65°FCloudywind 8 to 15 mph
- Sunday Night41°FMostly Cloudy1% rain · wind 12 to 17 mph
- Monday52°FMostly Sunnywind 5 to 12 mph
Forecast from the National Weather Service for this location, refreshed hourly.
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Rainbow trout | 2 | 2,000 | 1,000 | 7.0 in |
Stocking history
20261 stocking · 1,000 fish
| Date | Species | Fish | Size | Since previous | Hatchery |
|---|---|---|---|---|---|
Jun 8Latest Monday | Rainbow trout | 1,000 | 7.0 in | 375 days | Fort Peck Hatchery |
20251 stocking · 1,000 fish
| Date | Species | Fish | Size | Since previous | Hatchery |
|---|---|---|---|---|---|
May 29 Thursday | Rainbow trout | 1,000 | 7.0 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 Flinstone Reservoir?
Phillips County, Montana. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Flinstone Reservoir
- Hump Lakelake · 1 mistocked May 7, 2026
- PR 035lake · 3 mistocked May 7, 2026
- Current Reservoirlake · 3 mistocked May 7, 2026
- Wrangler Reservoirlake · 4 mistocked May 7, 2026
- Paleface Reservoirlake · 8 mistocked Jun 8, 2026
- Sentinel Reservoirlake · 8 mistocked May 7, 2026
- Spanky Reservoirlake · 12 mistocked May 7, 2026
- Batosh Reservoirlake · 13 mistocked May 7, 2026
All stocked waters in Phillips CountyStocked this week in Montana
Questions about Flinstone Reservoir
- When was Flinstone Reservoir last stocked?
- The latest reported stocking was Jun 8, 2026 (rainbow trout, 1,000 fish), according to Montana agency reports.
- How often is Flinstone Reservoir stocked?
- It was stocked once in the last 12 months.
- Is Flinstone Reservoir stocked often?
- Tied for the most stocked water in Phillips County (2 stocking days on record). 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 Flinstone Reservoir?
- Rainbow trout (2 stockings, 2,000 fish).