When was Peterson Lake last stocked?

The latest reported stocking was Jun 16, 2025 (rainbow trout, 8,981 fish), according to Montana agency reports.

Is Peterson Lake stocked often?

Number 23 of 36 stocked waters in Flathead County by stocking days. Stocked less often than most Montana waters on our record. We count each day the agency reported stocking it.

What kind of trout are stocked in Peterson Lake?

Rainbow trout (1 stocking, 8,981 fish).

Peterson Lake trout stocking

Flathead County, Montana · lake · 3,009 ft elevation

Peterson Lake was last stocked 17 months ago (Jun 16, 2025). We have 1 stocking on record since Jun 16, 2025. Species stocked: rainbow trout.

Last stocked

17 months ago

Jun 16, 2025

Next planned

Not announced

Last 12 months

0 stockings

On record

1 stocking

since Jun 16, 2025

Number 23 of 36 stocked waters in Flathead County by stocking days.
Stocked less often than most Montana waters on our record.

Weather at Peterson Lake

Overnight
31°F
Partly Cloudy
8% rain · wind 3 mph
Friday
46°F
Partly Sunny
3% rain · wind 2 to 6 mph
Friday Night
37°F
Mostly Cloudy
4% rain · wind 2 to 6 mph
Saturday
55°F
Partly Sunny
wind 2 mph
Saturday Night
38°F
Mostly Cloudy then Slight Chance Light Rain
20% rain · wind 1 to 6 mph
Sunday
50°F
Slight Chance Light Rain then Mostly Cloudy
20% rain · wind 6 to 13 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	1	8,981	8,981	6.9 in

Stocking history

20251 stocking · 8,981 fish

Date	Species	Fish	Size	Hatchery
Jun 16Latest Monday	Rainbow trout	8,981	6.9 in	Creston National Fish 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 Peterson Lake?

Flathead 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 Peterson Lake

Echo Lakelake · 1 mistocked May 8, 2025
Loon Lakelake · 7 mistocked May 28, 2026
Shady Lane Pondlake · 10 mistocked Sep 14, 2026
Snappys Pondlake · 12 mistocked Jun 11, 2026
Dry Bridge Sloughlake · 12 mistocked Apr 29, 2025
Doris Lake 1lake · 13 mistocked Sep 23, 2025
Doris Lake 2lake · 13 mistocked Sep 23, 2025
Beta Lakelake · 14 mistocked Jul 26, 2025

All stocked waters in Flathead County Stocked this week in Montana

Questions about Peterson Lake

When was Peterson Lake last stocked?: The latest reported stocking was Jun 16, 2025 (rainbow trout, 8,981 fish), according to Montana agency reports.
Is Peterson Lake stocked often?: Number 23 of 36 stocked waters in Flathead County by stocking days. Stocked less often than most Montana waters on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Peterson Lake?: Rainbow trout (1 stocking, 8,981 fish).