When was Sacajawea Park Lagoon last stocked?

The latest reported stocking was Mar 4, 2026 (Yellowstone cutthroat trout, 125 fish), according to Montana agency reports.

How often is Sacajawea Park Lagoon stocked?

Stocked 5 times in 2025, mostly in May, usually on Tuesdays, about every 20 days. Across all years on record, most stockings come in May.

Is Sacajawea Park Lagoon stocked often?

The second most stocked of 12 waters in Park County. Stocked more often than 91% of Montana waters on our record. We count each day the agency reported stocking it.

What kind of trout are stocked in Sacajawea Park Lagoon?

Yellowstone cutthroat trout (6 stockings, 16,460 fish).

How warm is the water near Sacajawea Park Lagoon?

The nearest USGS gage read 32°F on Nov 9. Trout are sluggish below about 45°F. Fish slow and deep, midday is often best.

Sacajawea Park Lagoon trout stocking

Park County, Montana · lake · 4,492 ft elevation

Sacajawea Park Lagoon was last stocked 8 months ago (Mar 4, 2026). We have 6 stockings on record since Apr 29, 2025, 1 in the last 12 months (125 fish). Most stockings come in May. Species stocked: Yellowstone cutthroat trout.

Last stocked

8 months ago

Mar 4, 2026

Next planned

Not announced

Last 12 months

1 stocking

125 fish

Water temperature

32°F

Cold for trout

The second most stocked of 12 waters in Park County.
Stocked more often than 91% of Montana waters on our record.

River conditions

Nearest USGS gage: Yellowstone River near Livingston, MT (7 km away, on a different stream or lake).

Water temperature: 32°F
Flow: 1,500 cfs; about normal for the last six weeks
Gage height: -0.27 ft

Cold for trout. Trout are sluggish below about 45°F. Fish slow and deep, midday is often best.

Water temperature (daily high), last six weeks (°F), daily. Latest: 32 °F on Nov 8. The green band is the ideal range for trout.

Streamflow, last six weeks (cfs), daily. Latest: 1,510 cfs on Nov 8.

Latest reading Nov 9, 2026, 8:00 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Sacajawea Park Lagoon

This Afternoon
64°F
Partly Sunny
1% rain · wind 24 to 33 mph
Tonight
37°F
Mostly Cloudy then Slight Chance Rain Showers
15% rain · wind 6 to 23 mph
Monday
62°F
Partly Sunny
14% rain · wind 7 to 12 mph
Monday Night
40°F
Mostly Cloudy then Slight Chance Rain Showers
23% rain · wind 12 to 17 mph
Tuesday
57°F
Slight Chance Rain Showers then Mostly Sunny
17% rain · wind 10 to 21 mph
Tuesday Night
35°F
Partly Cloudy
wind 10 to 15 mph

Forecast from the National Weather Service for this location, refreshed hourly.

When is Sacajawea Park Lagoon stocked?

Most stockings come in May. Stocked 5 times in 2025, mostly in May, usually on Tuesdays, about every 20 days.

By month, all years

Stockings of Sacajawea Park Lagoon by month, all years on record. This month is shown in blue.

Year by year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2026			1
2025				1	2		1	1

What is stocked

Species	Stockings	Fish	Fish per stocking	Typical size
Yellowstone cutthroat trout	6	16,460	2,743	6.5 in

Stocking history

20261 stocking · 125 fish

Date	Species	Fish	Size	Since previous	Hatchery
Mar 4Latest Wednesday	Yellowstone cutthroat trout	125	11.3 in	30 weeks	Yellowstone River Trout Hatchery

20255 stockings · 16,335 fish

Date	Species	Fish	Size	Since previous	Hatchery
Aug 6 Wednesday	Yellowstone cutthroat trout	12,630	2.6 in	18 days	Yellowstone River Trout Hatchery
Jul 19 Saturday	Yellowstone cutthroat trout	594	2.8 in	53 days	Yellowstone River Trout Hatchery
May 27 Tuesday	Yellowstone cutthroat trout	1,500	6.5 in	8 days	Yellowstone River Trout Hatchery
May 19 Monday	Yellowstone cutthroat trout	1,500	3.0 in	20 days	Yellowstone River Trout Hatchery
Apr 29 Tuesday	Yellowstone cutthroat trout	111	29.5 in		Yellowstone 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 Sacajawea Park Lagoon?

Park 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 Sacajawea Park Lagoon

George Lakelake · 14 mistocked Aug 4, 2025
Fire Lakelake · 19 mistocked Aug 4, 2025
Glen Lakelake · 23 mistocked Sep 10, 2026

All stocked waters in Park County Stocked this week in Montana

Questions about Sacajawea Park Lagoon

When was Sacajawea Park Lagoon last stocked?: The latest reported stocking was Mar 4, 2026 (Yellowstone cutthroat trout, 125 fish), according to Montana agency reports.
How often is Sacajawea Park Lagoon stocked?: Stocked 5 times in 2025, mostly in May, usually on Tuesdays, about every 20 days. Across all years on record, most stockings come in May.
Is Sacajawea Park Lagoon stocked often?: The second most stocked of 12 waters in Park County. Stocked more often than 91% of Montana waters on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Sacajawea Park Lagoon?: Yellowstone cutthroat trout (6 stockings, 16,460 fish).
How warm is the water near Sacajawea Park Lagoon?: The nearest USGS gage read 32°F on Nov 9. Trout are sluggish below about 45°F. Fish slow and deep, midday is often best.