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 once in the last 12 months.

Is Loon Lake stocked often?

The third most stocked of 7 waters in Lake 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 Loon Lake?

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

Loon Lake trout stocking

Lake County, Montana · lake · 3,073 ft elevation

Loon Lake was last stocked 5 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

5 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

The third most stocked of 7 waters in Lake County.
Stocked about as often as a typical Montana water on our record.

River conditions

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

Flow: 423 cfs; about normal for the last six weeks
Gage height: 2.27 ft

Streamflow, last six weeks (cfs), daily. Latest: 422 cfs on Nov 8.

Latest reading Nov 9, 2026, 9:00 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Loon Lake

This Afternoon
51°F
Mostly Cloudy
3% rain · wind 8 to 13 mph
Tonight
35°F
Mostly Cloudy
1% rain · wind 0 to 7 mph
Monday
46°F
Slight Chance Light Rain
20% rain · wind 1 mph
Monday Night
38°F
Light Rain
84% rain · wind 0 to 9 mph
Tuesday
48°F
Light Rain Likely
64% rain · wind 3 to 9 mph
Tuesday Night
39°F
Mostly Cloudy
8% rain · wind 0 to 3 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

20261 stocking · 1,832 fish

Date	Species	Fish	Size	Since previous	Hatchery
May 28Latest Thursday	Rainbow trout	1,832	8.5 in	373 days	Jocko River Trout Hatchery

20251 stocking · 2,196 fish

Date	Species	Fish	Size	Since previous	Hatchery
May 20 Tuesday	Rainbow trout	2,196	7.7 in		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. Seasons and limits: Montana fishing regulations.

Where is Loon Lake?

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

Directions Larger map Montana fishing regulations

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

All stocked waters in Lake County 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 once in the last 12 months.
Is Loon Lake stocked often?: The third most stocked of 7 waters in Lake 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 Loon Lake?: Rainbow trout (2 stockings, 4,028 fish).