Tunnel Lake trout stocking
Montana · lake
Tunnel Lake was last stocked 4 months ago (May 21, 2026). We have 2 stockings on record since Jun 3, 2025, 1 in the last 12 months (2,000 fish). Species stocked: westslope cutthroat trout.
River conditions
Nearest USGS gage: Sun River bl Diversion Dam nr Augusta MT (8 km away, on a different stream or lake).
- Flow
- 273 cfs
- about normal for the last six weeks
- Gage height
- 4.28 ft
Latest reading Sep 25, 2026, 2:45 AM UTC. USGS data are provisional. Gage page at USGS.
Weather at Tunnel Lake
- Tonight55°FMostly Clearwind 5 mph
- Friday81°FMostly Sunnywind 3 to 21 mph
- Friday Night42°FSlight Chance Showers And Thunderstorms then Partly Cloudy16% rain · wind 12 to 29 mph
- Saturday59°FMostly Sunnywind 6 to 14 mph
- Saturday Night37°FMostly Cloudywind 1 to 8 mph
- Sunday62°FMostly Cloudywind 0 to 5 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 | 3,980 | 1,990 | 4.7 in |
Stocking history
| Date | Species | Fish | Pounds | Hatchery |
|---|---|---|---|---|
| May 21, 2026 | Westslope cutthroat trout | 2,000 | Washoe Park Trout Hatchery | |
| Jun 3, 2025 | Westslope cutthroat trout | 1,980 | 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.
Where is Tunnel Lake?
Montana. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Tunnel Lake
- Pishkun Reservoirlake · 7 mistocked May 1, 2026
- Swazee Lakelake · 8 mistocked Sep 11, 2026
- Willow Creek Reservoirlake · 9 mistocked Jul 13, 2026
- Clemons Coulee Reservoirlake · 11 mistocked Jun 17, 2026
- Nilan Reservoirlake · 12 mistocked May 26, 2026
- Renshaw Lakelake · 14 mistocked Sep 17, 2025
- Our Lakelake · 16 mistocked Sep 17, 2025
- Wood Lakelake · 18 mistocked May 21, 2026
Questions about Tunnel Lake
- When was Tunnel Lake last stocked?
- The latest reported stocking was May 21, 2026 (westslope cutthroat trout, 2,000 fish), according to Montana agency reports.
- How often is Tunnel Lake stocked?
- It was stocked 1 times in the last 12 months.
- What kind of trout are stocked in Tunnel Lake?
- Westslope cutthroat trout (2 stockings, 3,980 fish).