When was Hansen Reservoir last stocked?

The latest reported stocking was Jun 18, 2026 (westslope cutthroat trout, 950 fish), according to Montana agency reports.

How often is Hansen Reservoir stocked?

Stocked 3 times in 2025, mostly in June, about every 118 days. Across all years on record, most stockings come in June.

What kind of trout are stocked in Hansen Reservoir?

Westslope cutthroat trout (2 stockings, 3,990 fish); Tiger trout (2 stockings, 1,000 fish).

Hansen Reservoir trout stocking

Montana · lake

Hansen Reservoir was last stocked 3 months ago (Jun 18, 2026). We have 4 stockings on record since Jun 17, 2025, 2 in the last 12 months (1,450 fish). Most stockings come in June. Species stocked: westslope cutthroat trout, tiger trout.

Last stocked

3 months ago

Jun 18, 2026

Next planned

Not announced

Last 12 months

2 stockings

1,450 fish

On record

4 stockings

since Jun 17, 2025

Weather at Hansen Reservoir

Tonight
56°F
Mostly Clear
wind 10 to 14 mph
Friday
83°F
Sunny
wind 7 to 12 mph
Friday Night
47°F
Partly Cloudy
1% rain · wind 10 to 15 mph
Saturday
67°F
Sunny
wind 12 mph
Saturday Night
40°F
Partly Cloudy
4% rain · wind 1 to 9 mph
Sunday
65°F
Partly Sunny
2% rain · wind 2 to 7 mph

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

When is Hansen Reservoir stocked?

Most stockings come in June. Stocked 3 times in 2025, mostly in June, about every 118 days.

By month, all years

Stockings of Hansen Reservoir 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						2				1

What is stocked

Species	Stockings	Fish	Fish per stocking	Typical size
Westslope cutthroat trout	2	3,990	1,995	5.3 in
Tiger trout	2	1,000	500	6.8 in

Stocking history

Date	Species	Fish	Hatchery
Jun 18, 2026	Westslope cutthroat trout	950	Washoe Park Trout Hatchery
Oct 15, 2025	Tiger trout	500	Giant Springs Trout Hatchery
Jun 19, 2025	Tiger trout	500	Giant Springs Trout Hatchery
Jun 17, 2025	Westslope cutthroat trout	3,040	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.

Where is Hansen Reservoir?

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 Hansen Reservoir

Elks Country Club Pondlake · 5 mistocked May 26, 2026
Big Casino Creek Reservoirlake · 5 mistocked Jul 8, 2025
Upper Frog Pondlake · 6 mistocked Jun 5, 2026
Lower Frog Pondlake · 6 mistocked Jun 5, 2026
Carters Pondlake · 11 mistocked May 21, 2026
Upper Carters Pondlake · 12 mistocked Jun 3, 2026
Unnamed pond on trib of Maiden Creeklake · 13 mistocked Nov 4, 2025
Crystal Lakelake · 16 mistocked Jun 18, 2026

Stocked this week in Montana

Questions about Hansen Reservoir

When was Hansen Reservoir last stocked?: The latest reported stocking was Jun 18, 2026 (westslope cutthroat trout, 950 fish), according to Montana agency reports.
How often is Hansen Reservoir stocked?: Stocked 3 times in 2025, mostly in June, about every 118 days. Across all years on record, most stockings come in June.
What kind of trout are stocked in Hansen Reservoir?: Westslope cutthroat trout (2 stockings, 3,990 fish); Tiger trout (2 stockings, 1,000 fish).