When was Upper Twin Lake last stocked?

The latest reported stocking was Sep 25, 2026 (westslope cutthroat trout, 4,000 fish), according to Montana agency reports.

How often is Upper Twin Lake stocked?

It was stocked once in the last 12 months.

Is Upper Twin Lake stocked often?

The third most stocked of 4 waters in Ravalli 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 Upper Twin Lake?

Westslope cutthroat trout (2 stockings, 8,000 fish).

Upper Twin Lake trout stocking

Ravalli County, Montana · lake · 6,570 ft elevation

Upper Twin Lake was last stocked 6 weeks ago (Sep 25, 2026). We have 2 stockings on record since Sep 30, 2025, 1 in the last 12 months (4,000 fish). Species stocked: westslope cutthroat trout.

Last stocked

6 weeks ago

Sep 25, 2026

Next planned

Not announced

Last 12 months

1 stocking

4,000 fish

On record

2 stockings

since Sep 30, 2025

The third most stocked of 4 waters in Ravalli County.
Stocked about as often as a typical Montana water on our record.

Weather at Upper Twin Lake

Today
42°F
Mostly Sunny
wind 2 mph
Tonight
26°F
Mostly Clear
3% rain · wind 2 to 6 mph
Thursday
34°F
Chance Light Snow
26% rain · wind 7 mph
Thursday Night
25°F
Partly Cloudy
6% rain · wind 6 mph
Friday
39°F
Mostly Sunny
10% rain · wind 8 mph
Friday Night
30°F
Mostly Cloudy
10% rain · wind 6 to 12 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	8,000	4,000	2.2 in

Stocking history

20261 stocking · 4,000 fish

Date	Species	Fish	Size	Since previous	Hatchery
Sep 25Latest Friday · 6 weeks ago	Westslope cutthroat trout	4,000	1.9 in	360 days	Washoe Park Trout Hatchery

20251 stocking · 4,000 fish

Date	Species	Fish	Size	Since previous	Hatchery
Sep 30 Tuesday	Westslope cutthroat trout	4,000	2.2 in		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. Seasons and limits: Montana fishing regulations.

Where is Upper Twin Lake?

Ravalli 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 Upper Twin Lake

Lake Comolake · 6 mistocked Sep 8, 2026
Oreamnos Lakelake · 16 mistocked Sep 17, 2025
Heironymous Pondlake · 17 mistocked May 18, 2026
Stafford Kid's Pondlake · 20 mistocked Jun 24, 2026

All stocked waters in Ravalli County Stocked this week in Montana

Questions about Upper Twin Lake

When was Upper Twin Lake last stocked?: The latest reported stocking was Sep 25, 2026 (westslope cutthroat trout, 4,000 fish), according to Montana agency reports.
How often is Upper Twin Lake stocked?: It was stocked once in the last 12 months.
Is Upper Twin Lake stocked often?: The third most stocked of 4 waters in Ravalli 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 Upper Twin Lake?: Westslope cutthroat trout (2 stockings, 8,000 fish).