Holtan Reservoir trout stocking
Fallon County, Montana · lake · 3,125 ft elevation
Holtan Reservoir was last stocked 5 months ago (May 28, 2026). We have 2 stockings on record since Jun 9, 2025, 1 in the last 12 months (500 fish). Species stocked: rainbow trout.
Last stocked
5 months ago
May 28, 2026
Next planned
Not announced
Last 12 months
1 stocking
500 fish
On record
2 stockings
since Jun 9, 2025
- Tied for the most stocked water in Fallon County (2 stocking days on record).
- Stocked about as often as a typical Montana water on our record.
Weather at Holtan Reservoir
- This Afternoon53°FMostly Cloudywind 14 to 17 mph
- Tonight44°FMostly Cloudy4% rain · wind 12 to 16 mph
- Saturday59°FCloudy3% rain · wind 6 to 10 mph
- Saturday Night41°FMostly Cloudy9% rain · wind 6 mph
- Sunday58°FMostly Cloudy then Chance Rain Showers47% rain · wind 3 to 8 mph
- Sunday Night42°FRain Showers83% rain · wind 8 to 14 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 | 1,000 | 500 | 7.0 in |
Stocking history
20261 stocking · 500 fish
| Date | Species | Fish | Size | Since previous | Hatchery |
|---|---|---|---|---|---|
May 28Latest Thursday | Rainbow trout | 500 | 6.9 in | 353 days | Fort Peck Hatchery |
20251 stocking · 500 fish
| Date | Species | Fish | Size | Since previous | Hatchery |
|---|---|---|---|---|---|
Jun 9 Monday | Rainbow trout | 500 | 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 Holtan Reservoir?
Fallon County, Montana. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Holtan Reservoir
- Pinnow Reservoir 2lake · 5 mistocked May 6, 2026
- Lake Bakerlake · 5 mistocked May 28, 2025
- Pinnow Reservoirlake · 6 mistocked May 6, 2026
- Rost Pondlake · 6 mistocked May 13, 2025
- Maier Pondlake · 10 mistocked May 13, 2025
- Schweigert Damlake · 15 mistocked May 6, 2026
- Rath Pondlake · 16 mistocked May 13, 2025
- Pruett Pondlake · 21 mistocked May 6, 2026
All stocked waters in Fallon CountyStocked this week in Montana
Questions about Holtan Reservoir
- When was Holtan Reservoir last stocked?
- The latest reported stocking was May 28, 2026 (rainbow trout, 500 fish), according to Montana agency reports.
- How often is Holtan Reservoir stocked?
- It was stocked once in the last 12 months.
- Is Holtan Reservoir stocked often?
- Tied for the most stocked water in Fallon 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 Holtan Reservoir?
- Rainbow trout (2 stockings, 1,000 fish).