When was Cap Rock Reservoir last stocked?

The latest reported stocking was Jun 17, 2026 (rainbow trout, 1,100 fish), according to Montana agency reports.

How often is Cap Rock Reservoir stocked?

It was stocked once in the last 12 months.

Is Cap Rock Reservoir stocked often?

The second most stocked of 10 waters in Custer 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 Cap Rock Reservoir?

Rainbow trout (2 stockings, 2,100 fish).

Cap Rock Reservoir trout stocking

Custer County, Montana · lake · 2,709 ft elevation

Cap Rock Reservoir was last stocked 5 months ago (Jun 17, 2026). We have 2 stockings on record since May 27, 2025, 1 in the last 12 months (1,100 fish). Species stocked: rainbow trout.

Last stocked

5 months ago

Jun 17, 2026

Next planned

Not announced

Last 12 months

1 stocking

1,100 fish

On record

2 stockings

since May 27, 2025

The second most stocked of 10 waters in Custer County.
Stocked about as often as a typical Montana water on our record.

Weather at Cap Rock Reservoir

This Afternoon
65°F
Mostly Sunny
wind 9 mph
Tonight
37°F
Slight Chance Rain Showers
15% rain · wind 7 to 10 mph
Monday
55°F
Mostly Sunny
2% rain · wind 6 mph
Monday Night
35°F
Mostly Cloudy
11% rain · wind 3 mph
Tuesday
58°F
Partly Sunny
13% rain · wind 3 to 17 mph
Tuesday Night
36°F
Partly Cloudy
wind 10 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	2	2,100	1,050	5.7 in

Stocking history

20261 stocking · 1,100 fish

Date	Species	Fish	Size	Since previous	Hatchery
Jun 17Latest Wednesday	Rainbow trout	1,100	4.3 in	386 days	Miles City Fish Hatchery

20251 stocking · 1,000 fish

Date	Species	Fish	Size	Since previous	Hatchery
May 27 Tuesday	Rainbow trout	1,000	5.7 in		Miles City 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 Cap Rock Reservoir?

Custer 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 Cap Rock Reservoir

Haughian Reservoir #1 (; Henry Haughian Trout Pond)lake · 11 mistocked May 5, 2026
Reukauf Reservoirlake · 12 mistocked May 5, 2026
South Fork Reservoirlake · 15 mistocked May 5, 2026
Clarks Reservoirlake · 15 mistocked May 5, 2026
Silvertip Reservoirlake · 15 mistocked May 5, 2026
Ponessa Pondlake · 18 mistocked May 26, 2026
Tongue Riverstream · 19 mistocked Jun 3, 2026
Spotted Eagle Lake (; Speckled Bird)lake · 20 mistocked Jul 1, 2026

All stocked waters in Custer County Stocked this week in Montana

Questions about Cap Rock Reservoir

When was Cap Rock Reservoir last stocked?: The latest reported stocking was Jun 17, 2026 (rainbow trout, 1,100 fish), according to Montana agency reports.
How often is Cap Rock Reservoir stocked?: It was stocked once in the last 12 months.
Is Cap Rock Reservoir stocked often?: The second most stocked of 10 waters in Custer 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 Cap Rock Reservoir?: Rainbow trout (2 stockings, 2,100 fish).