Diamond Lake fishing: Largemouth Bass, Cutthroat Trout, Rainbow Trout
Target species: Largemouth Bass, Cutthroat Trout, Rainbow Trout, Brook Trout, Pumpkinseed, Brown Trout, Green Sunfish
Boat: 1 ramp or launch on file for this water.
Start here: Launch at Diamond Lake, 1 lane.
The lake
Diamond Lake covers 754 acres in Washington, across Pend Oreille County. It is a lake: 92.7% of it is 54 feet deep or less; the deepest point measured is at least 55 feet (16.8 m). Our records hold 12 species for this water.
7 target fish, led by Largemouth Bass
- Largemouth Bass — Feeding water: 65–85°F.
- Cutthroat Trout — Feeding water: 50–65°F.
- Rainbow Trout — Feeding water: 50–65°F.
- Brook Trout — Feeding water: 50–65°F.
- Pumpkinseed — Feeding water: 65–80°F.
- Brown Trout — Feeding water: 50–65°F.
- Green Sunfish — Feeding water: 65–80°F.
Also recorded here: Black Crappie, Bluegill, Yellow Perch, Brown Bullhead, Golden Shiner.
Stocking: 2,532,635 fish, 1997–2026
Washington Department of Fish and Wildlife records list 2,532,635 fish released into this water from 1997 to 2026.

- Brown Trout: 327,930 in 2007–2026
3 more species on the stocking list.
Depth and bottom
Deepest measured point: at least 55 ft (16.8 m). That is the deepest contour line: the bottom goes deeper. 92.7% of the water is 54 feet or shallower. We hold 69 depth contour lines for this water.
- 0–3 ft: 13.1% of the water
- 3–6 ft: 10.4% of the water
- 6–9 ft: 11% of the water
- 9–12 ft: 4.2% of the water
- 12–15 ft: 3.2% of the water
- 15–18 ft: 2.8% of the water
- 18–21 ft: 2.6% of the water
- 21–24 ft: 2.6% of the water
- 24–27 ft: 2.5% of the water
- 27–30 ft: 2.6% of the water
- 30–33 ft: 2.7% of the water
- 33–36 ft: 2.9% of the water
- 36–39 ft: 3.2% of the water
- 39–42 ft: 3.7% of the water
- 42–45 ft: 4.9% of the water
- 45–48 ft: 6.5% of the water
- 48–51 ft: 6.2% of the water
- 51–54 ft: 7.6% of the water
- 54–55 ft: 7.3% of the water
1 ramp or launch on this water
On this water we hold 1 trailer ramp.
- Diamond Lake — 1 lane, restrooms. WDFW. hours: Year-round. Closed to street-legal vehicles December 1 - March 31.
The place listed has no fee or opening hours on file: a blank means we hold no such field, not that it is free or always open, and this list may not be complete.
What is hard here
Only 1 public ramp is on file, so the launch decides where you fish.
Where this data comes from
- Washington State Department of Ecology — Washington State Department of Ecology: depth contours: class A, a survey of the bottom.
- Webster, K.E., McCullough, I.M., Soranno, P.A. LAGOS-US DEPTH v1.0, EDI, doi:10.6073/pasta/64ddc4d04661d9aef4bd702dc5d8984f (CC BY 4.0); Cheruvelil et al. LAGOS-US LOCUS v1.0 (EDI) — LAGOS-US DEPTH v1.0: Lake depth for 17,675 lakes in the conterminous U.S.: class B, a depth figure measured and published by an agency, without a bottom map.

























