Potholes Reservoir fishing

Potholes Reservoir fishing is stocked with Rainbow Trout, Largemouth Bass, Black crappie, Bluegill, Common carp, Lake whitefish, and 3 more on a reservoir. It is stocked about once a year since 2025, most often in May and June. Species guides list dawn and dusk as the active times.

Potholes Reservoir
Photo: Joe Mabel, CC BY-SA 3.0
Last stocked
May 29, 2026
124 days ago · Rainbow Trout
Plants on record
2
Since 2025
Species recorded
1
Average size
10 in
Surface acres
14,281.5
Elevation
1,042 ft

Fish at Potholes Reservoir

1 stocked · 9 confirmed present

Rainbow Trout Stocked · 2 plants · last May 29, 2026 Best: dawn, dusk

Last stocked May 29, 2026 · avg 10 in · 2 plants

Best: dawn, dusk

Rainbow Trout species guide
Black crappie Confirmed present
Black crappie species guide
Bluegill Confirmed present
Bluegill species guide
Common carp Confirmed present
Common carp species guide
Lake whitefish Confirmed present
Lake whitefish species guide
Largemouth bass Confirmed present Best: dawn, dusk

Best: dawn, dusk

Largemouth bass species guide
Smallmouth bass Confirmed present
Smallmouth bass species guide
Walleye Confirmed present
Walleye species guide
Yellow perch Confirmed present
Yellow perch species guide

How Potholes Reservoir is stocked

Source: Washington Department of Fish and Wildlife.

About 0 reported fish per acre, the fewest of 7 lakes in Grant County with both a fish count and a surface area.

Fish stocked in 2025

250

Fish stocked in 2026

250

Stocking history

Source: Washington Department of Fish and Wildlife.
Date Species Quantity Avg. length Source
May 29, 2026 Rainbow Trout 250 10 in report
June 6, 2025 Rainbow Trout 250 10 in report

Access and facts

Water type
reservoir
Shore access
Yes
Boat ramp
Yes

Shoreline access: Good. Several locations to fish from shore. WDFW maintains a public water access area on this lake.

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About Potholes Reservoir

Photo of Potholes Reservoir
Joe Mabel, CC BY-SA 3.0

Nearest lakes

Columbia Basin Hatchery Cr 13.3 mi last stocked September 2, 2026 Moses Lake 13.3 mi last stocked May 1, 2026 Powerline Lake 27 mi last stocked April 22, 2026 Lenice Lake 27.5 mi last stocked March 4, 2026 Park Lake 41.2 mi last stocked October 3, 2025

Camping near Potholes Reservoir

Campgrounds within 15 miles of Potholes Reservoir's mapped point, nearest first: Potholes State Park camping (2.8 miles), Cascade Campground (9.8 miles), and Grant County Fairgrounds Campgrounds (10.3 miles), each with its own campground page on campgroundsdb.com.

Straight-line distances.

Public land at Potholes Reservoir

Potholes Reservoir is 0.6 miles outside the edge of Potholes State Park.

Boundaries from Public Lands DB, part of the same network.

Common questions

What fish are at Potholes Reservoir?

Fishing Potholes Reservoir usually means Rainbow Trout. All 2 plants on record are Rainbow Trout. Rainbow Trout was last stocked May 29, 2026, averaging 10 in. Black crappie, Bluegill, Common carp, and Lake whitefish, plus 4 more are recorded here outside the stocking reports.

When is Potholes Reservoir stocked?

Last stocked May 29, 2026. It is stocked about once a year since 2025, most often in May and June. About 0 reported fish per acre, the fewest of 7 lakes in Grant County with both a fish count and a surface area.

How big are the fish stocked at Potholes Reservoir?

Rainbow Trout stocked at Potholes Reservoir average 10 in.

How do you get on Potholes Reservoir?

Shore fishing is available and there is a boat ramp. Shoreline access: Good. Several locations to fish from shore. WDFW maintains a public water access area on this lake.

Which lakes near Potholes Reservoir were stocked more recently?

Columbia Basin Hatchery Cr (13.3 mi) was stocked more recently. Columbia Basin Hatchery Cr is also stocked with Rainbow Trout.

Sources (1) +