Rock Lake fishing

Rock Lake fishing is stocked with Rainbow Trout, Brown Trout, Largemouth Bass, Black crappie, Bluegill, Brown bullhead, and 8 more on a natural lake. It is stocked 2 times in 2025, most often in October. Species guides list dawn and dusk for Rainbow Trout and Largemouth Bass and dawn, day, and dusk for Brown Trout.

Rock Lake
Photo: Jaywm, CC BY-SA 4.0
Last stocked
October 31, 2025
334 days ago · Rainbow Trout
Plants on record
2
Since 2025
Species recorded
1
Average size
9 in
Surface acres
2,189.6
Elevation
1,728 ft

Fish at Rock Lake

1 stocked · 14 confirmed present

Rainbow Trout Stocked · 2 plants · last October 31, 2025 Best: dawn, dusk

Last stocked October 31, 2025 · avg 9 in · 2 plants

Best: dawn, dusk

Rainbow Trout species guide
Black crappie Confirmed present
Black crappie species guide
Bluegill Confirmed present
Bluegill species guide
Brown bullhead Confirmed present
Brown bullhead species guide
Brown trout Confirmed present Best: dawn, day, dusk

Best: dawn, day, dusk

Brown trout species guide
Common carp Confirmed present
Common carp species guide
Grass pickerel Confirmed present
Grass pickerel species guide
Kokanee Confirmed present
Kokanee species guide
Largemouth bass Confirmed present Best: dawn, dusk

Best: dawn, dusk

Largemouth bass species guide
Largescale sucker Confirmed present
Largescale sucker species guide
Pumpkinseed Confirmed present
Pumpkinseed species guide
Signal crayfish Confirmed present
Signal crayfish species guide
Smallmouth bass Confirmed present
Smallmouth bass species guide
Yellow perch Confirmed present
Yellow perch species guide

How Rock Lake is stocked

Source: Washington Department of Fish and Wildlife.

About 6.9 reported fish per acre, the fewest of 4 lakes in Whitman County with both a fish count and a surface area.

Stocking history

Source: Washington Department of Fish and Wildlife.
Date Species Quantity Avg. length Source
October 31, 2025 Rainbow Trout 7,500 9 in report
October 24, 2025 Rainbow Trout 7,650 9 in report

Access and facts

Water type
natural lake
Shore access
Yes
Boat ramp
Yes

Shoreline access: Good. Although the most anglers fish this large lake from boats, shoreline fishing access is available near the boat launch area. WDFW maintains a public water access area on this lake.

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About Rock Lake

Photo of Rock Lake
Jaywm, CC BY-SA 4.0

Nearest lakes

Badger Lake 11.9 mi last stocked March 4, 2026 Fishtrap Lake 13.3 mi last stocked March 11, 2026 Hog Canyon Lake 14.7 mi last stocked October 10, 2025 Clear Lake 23.9 mi last stocked May 8, 2026 Garfield Pond 26.2 mi last stocked June 11, 2026

Common questions

What fish are at Rock Lake?

Fishing Rock Lake usually means Rainbow Trout. All 2 plants on record are Rainbow Trout. Rainbow Trout was last stocked October 31, 2025, averaging 9 in. Black crappie, Bluegill, Brown bullhead, and Brown trout, plus 9 more are recorded here outside the stocking reports.

When is Rock Lake stocked?

Last stocked October 31, 2025. It is stocked 2 times in 2025, most often in October. About 6.9 reported fish per acre, the fewest of 4 lakes in Whitman County with both a fish count and a surface area.

How big are the fish stocked at Rock Lake?

Rainbow Trout stocked at Rock Lake average 9 in.

How do you get on Rock Lake?

Shore fishing is available and there is a boat ramp. Shoreline access: Good. Although the most anglers fish this large lake from boats, shoreline fishing access is available near the boat launch area. WDFW maintains a public water access area on this lake.

Which lakes near Rock Lake were stocked more recently?

Badger Lake (11.9 mi), Fishtrap Lake (13.3 mi), Clear Lake (23.9 mi), and Garfield Pond (26.2 mi) were stocked more recently. Badger Lake is also stocked with Rainbow Trout, Fishtrap Lake is also stocked with Rainbow Trout, Clear Lake is also stocked with Rainbow Trout, and Garfield Pond is also stocked with Rainbow Trout.

Sources (1) +