When was Loon Lake last stocked?

The latest reported stocking was May 28, 2026 (rainbow trout, 1,832 fish), according to Montana agency reports.

How often is Loon Lake stocked?

It was stocked 1 times in the last 12 months.

What kind of trout are stocked in Loon Lake?

Rainbow trout (2 stockings, 4,028 fish).

Loon Lake trout stocking

Montana · lake

Loon Lake was last stocked 4 months ago (May 28, 2026). We have 2 stockings on record since May 20, 2025, 1 in the last 12 months (1,832 fish). Species stocked: rainbow trout.

Last stocked

4 months ago

May 28, 2026

Next planned

Not announced

Last 12 months

1 stocking

1,832 fish

On record

2 stockings

since May 20, 2025

River conditions

Nearest USGS gage: Swan River near Bigfork, MT (under 1 km away, on a different stream or lake).

Flow: 537 cfs; about normal for the last six weeks
Gage height: 2.39 ft

Streamflow, last six weeks (cfs), daily. Latest: 557 cfs on Sep 23.

Latest reading Sep 25, 2026, 3:00 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Loon Lake

Tonight
55°F
Partly Cloudy
1% rain · wind 5 mph
Friday
77°F
Mostly Sunny then Chance Light Rain
25% rain · wind 8 to 15 mph
Friday Night
44°F
Light Rain Likely
67% rain · wind 5 to 14 mph
Saturday
57°F
Partly Sunny
12% rain · wind 7 to 13 mph
Saturday Night
39°F
Partly Cloudy
wind 0 to 3 mph
Sunday
62°F
Partly Sunny
wind 1 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	4,028	2,014	8.5 in

Stocking history

Date	Species	Fish	Pounds	Hatchery
May 28, 2026	Rainbow trout	1,832		Jocko River Trout Hatchery
May 20, 2025	Rainbow trout	2,196		Jocko River 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 Loon Lake?

Montana. The marker is the agency's location for this water; streams are often stocked at several access points.

Directions Larger map

Stocked waters near Loon Lake

Peterson Lakelake · 7 mistocked Jun 16, 2025
Echo Lakelake · 8 mistocked May 8, 2025
Trout Lakelake · 15 mistocked Jul 29, 2025
Shady Lane Pondlake · 17 mistocked Sep 14, 2026
Swan Pondlake · 18 mistocked Jun 5, 2026
Dry Bridge Sloughlake · 18 mistocked Apr 29, 2025
Snappys Pondlake · 18 mistocked Jun 11, 2026
Foy Lakelake · 20 mistocked Sep 23, 2026

Stocked this week in Montana

Questions about Loon Lake

When was Loon Lake last stocked?: The latest reported stocking was May 28, 2026 (rainbow trout, 1,832 fish), according to Montana agency reports.
How often is Loon Lake stocked?: It was stocked 1 times in the last 12 months.
What kind of trout are stocked in Loon Lake?: Rainbow trout (2 stockings, 4,028 fish).