When was Horseshoe Reservoir last stocked?

The latest reported stocking was Sep 1 to 30, 2026 (rainbow trout, 506 fish), according to Wyoming agency reports.

How often is Horseshoe Reservoir stocked?

It was stocked 2 times in the last 12 months. Across all years on record, most stockings come in September to October and December.

Is Horseshoe Reservoir stocked often?

The third most stocked of 28 waters in Big Horn County. Stocked more often than 88% of Wyoming waters on our record. We count each day the agency reported stocking it.

What kind of trout are stocked in Horseshoe Reservoir?

Rainbow trout (18 stockings, 10,295 fish); Bear River cutthroat trout (2 stockings, 275 fish); Yellowstone cutthroat trout (1 stocking, 580 fish); Colorado River cutthroat trout (1 stocking, 295 fish).

Horseshoe Reservoir trout stocking

Big Horn County, Wyoming · lake · about 3,724 ft elevation

Horseshoe Reservoir was last stocked 4 weeks ago (Sep 1 to 30, 2026). We have 21 stockings on record since Sep 1, 2016, 2 in the last 12 months (1,007 fish). Most stockings come in September to October and December. Species stocked: rainbow trout, Bear River cutthroat trout, Yellowstone cutthroat trout, Colorado River cutthroat trout.

Last stocked

4 weeks ago

Sep 1 to 30, 2026

Next planned

Not announced

Last 12 months

2 stockings

1,007 fish

On record

21 stockings

since Sep 1, 2016

The third most stocked of 28 waters in Big Horn County.
Stocked more often than 88% of Wyoming waters on our record.

Weather at Horseshoe Reservoir

Tonight
47°F
Partly Cloudy
7% rain · wind 2 to 9 mph
Tuesday
76°F
Sunny
wind 2 to 9 mph
Tuesday Night
46°F
Clear
wind 2 mph
Wednesday
74°F
Sunny
wind 1 to 20 mph
Wednesday Night
42°F
Mostly Clear
wind 2 to 23 mph
Thursday
73°F
Sunny
1% rain · wind 1 to 10 mph

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

When is Horseshoe Reservoir stocked?

Most stockings come in September to October and December.

By month, all years

Stockings of Horseshoe Reservoir by month, all years on record. This month is shown in blue.

Year by year

	Apr	May	Sep	Oct	Nov	Dec
2026			1
2025		1				1
2024				1		1
2023			1			1
2022		1			1	1
2021				1
2020	1			1		1
2019			1

What is stocked

Species	Stockings	Fish	Fish per stocking	Typical size
Rainbow trout	18	10,295	572	10.1 in
Bear River cutthroat trout	2	275	138	16.8 in
Yellowstone cutthroat trout	1	580	580	10.5 in
Colorado River cutthroat trout	1	295	295	11.2 in

Stocking history

20261 stocking · 506 fish

Date	Species	Fish	Size
SeptemberLatest sometime this month	Rainbow trout	506	9.2 in

20252 stockings · 636 fish

Date	Species	Fish	Size
December sometime this month	Rainbow trout	501	14.3 in
May sometime this month	Bear River cutthroat trout	135	16.8 in

20242 stockings · 1,008 fish

Date	Species	Fish	Size
December sometime this month	Rainbow trout	458	14.4 in
October sometime this month	Rainbow trout	550	8.1 in

20232 stockings · 1,107 fish

December rainbow trout, 527 fish
September Yellowstone cutthroat trout, 580 fish

20223 stockings · 1,190 fish

December rainbow trout, 552 fish
November rainbow trout, 498 fish
May Bear River cutthroat trout, 140 fish

20211 stocking · 529 fish

October rainbow trout, 529 fish

20203 stockings · 2,248 fish

December rainbow trout, 549 fish
October rainbow trout, 504 fish
April Colorado River cutthroat trout, rainbow trout, 1,195 fish

20191 stocking · 550 fish

September rainbow trout, 550 fish

20182 stockings · 1,127 fish

September rainbow trout, 623 fish
April rainbow trout, 504 fish

20173 stockings · 2,042 fish

October rainbow trout, 1,141 fish
March rainbow trout, 450 fish
February rainbow trout, 451 fish

20161 stocking · 502 fish

September rainbow trout, 502 fish

From Wyoming 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: Wyoming fishing regulations.

Where is Horseshoe Reservoir?

Big Horn County, Wyoming. Approximate: the marker is the USGS place-name point for this water, not an agency location.

Directions Larger map Wyoming fishing regulations

Stocked waters near Horseshoe Reservoir

Deaver Reservoirlake · 19 mistocked Apr 1, 2026

All stocked waters in Big Horn County Stocked this week in Wyoming

Questions about Horseshoe Reservoir

When was Horseshoe Reservoir last stocked?: The latest reported stocking was Sep 1 to 30, 2026 (rainbow trout, 506 fish), according to Wyoming agency reports.
How often is Horseshoe Reservoir stocked?: It was stocked 2 times in the last 12 months. Across all years on record, most stockings come in September to October and December.
Is Horseshoe Reservoir stocked often?: The third most stocked of 28 waters in Big Horn County. Stocked more often than 88% of Wyoming waters on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Horseshoe Reservoir?: Rainbow trout (18 stockings, 10,295 fish); Bear River cutthroat trout (2 stockings, 275 fish); Yellowstone cutthroat trout (1 stocking, 580 fish); Colorado River cutthroat trout (1 stocking, 295 fish).

Stocking data from the Wyoming Game and Fish Department's fish stocking report, which records stockings by month with species, number and average length.