Diamond Lake fishing

Diamond Lake fishing is stocked with Rainbow Trout, Brown Trout, Largemouth Bass, Black crappie, Brown bullhead, Green sunfish, and 2 more on a natural lake. It is stocked about 1.5 times a year since 2025, most often in March and April. Species guides list dawn and dusk for Rainbow Trout and Largemouth Bass and dawn, day, and dusk for Brown Trout.

Illustration, not a photo of this lake
Last stocked
April 17, 2026
166 days ago · Rainbow Trout
Plants on record
3
Since 2025
Species recorded
1
Average size
15.8 in
Surface acres
754.4
Elevation
2,343 ft

Fish at Diamond Lake

1 stocked · 8 confirmed present

Rainbow Trout Stocked · 3 plants · last April 17, 2026 Best: dawn, dusk

Last stocked April 17, 2026 · avg 15.8 in · 3 plants

Best: dawn, dusk

Rainbow Trout species guide
Black crappie Confirmed present
Black crappie 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
Green sunfish Confirmed present
Green sunfish species guide
Largemouth bass Confirmed present Best: dawn, dusk

Best: dawn, dusk

Largemouth bass species guide
Pumpkinseed Confirmed present
Pumpkinseed species guide
Yellow perch Confirmed present
Yellow perch species guide

How Diamond Lake is stocked

Source: Washington Department of Fish and Wildlife.

About 21 reported fish per acre, 4th most of 6 lakes in Pend Oreille County with both a fish count and a surface area.

Fish stocked in 2025

300

Fish stocked in 2026

15,184

Stocking history

Source: Washington Department of Fish and Wildlife.
Date Species Quantity Avg. length Source
April 17, 2026 Rainbow Trout 184 19.2 in report
April 17, 2026 Rainbow Trout 15,000 9 in report
March 27, 2025 Rainbow Trout 300 19.2 in report

Access and facts

Water type
natural lake
Shore access
Yes
Boat ramp
Yes

Shoreline access: Good. Limited shoreline access near boat ramp. WDFW maintains a public water access area on this lake.

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Nearest lakes

Sacheen Lake 5.5 mi last stocked November 20, 2025 Cooks Lake 14.9 mi last stocked April 1, 2026 Bear Lake 15.7 mi last stocked March 18, 2026 Loon Lake 20.3 mi last stocked March 12, 2026 Jumpoff Joe Lake 22.6 mi last stocked April 2, 2026

Camping near Diamond Lake

Campgrounds within 15 miles of Diamond Lake's mapped point, nearest first: Pioneer Park camping (8.9 miles), Skookum Creek Campground (11.5 miles), and Cooks Lake camping (15 miles), each with its own campground page on campgroundsdb.com.

Straight-line distances.

Common questions

What fish are at Diamond Lake?

Fishing Diamond Lake usually means Rainbow Trout. All 3 plants on record are Rainbow Trout. Rainbow Trout was last stocked April 17, 2026, averaging 15.8 in. Black crappie, Brown bullhead, Brown trout, and Green sunfish, plus 3 more are recorded here outside the stocking reports.

When is Diamond Lake stocked?

Last stocked April 17, 2026. It is stocked about 1.5 times a year since 2025, most often in March and April. About 21 reported fish per acre, 4th most of 6 lakes in Pend Oreille County with both a fish count and a surface area.

How big are the fish stocked at Diamond Lake?

Rainbow Trout stocked at Diamond Lake average 15.8 in.

How do you get on Diamond Lake?

Shore fishing is available and there is a boat ramp. Shoreline access: Good. Limited shoreline access near boat ramp. WDFW maintains a public water access area on this lake.

Sources (1) +