Summit Lake fishing: Cutthroat Trout, Rainbow Trout

Target species: Cutthroat Trout, Rainbow Trout
Boat: 1 ramp or launch on file for this water.
Start here: Launch at Summit Lake, 1 lane.

The lake

Summit Lake covers 517 acres in Washington, across Thurston County. It is a lake: 90.6% of it is 90 feet deep or less; the deepest point measured is at least 100 feet (30.5 m). Our records hold 6 species for this water.

Depth and bottom

Deepest measured point: at least 100 ft (30.5 m). That is the deepest contour line: the bottom goes deeper. 90.6% of the water is 90 feet or shallower. We hold 68 depth contour lines for this water.

Snowy Morning At Summit Lake.jpg
LukeM7254 · CC BY-SA 4.0
  • 0–5 ft: 5.8% of the water
  • 5–10 ft: 5% of the water
  • 10–15 ft: 5% of the water
  • 15–20 ft: 4.8% of the water
  • 20–25 ft: 4.7% of the water
  • 25–30 ft: 4.7% of the water
  • 30–35 ft: 4.8% of the water
  • 35–40 ft: 5% of the water
  • 40–45 ft: 5.3% of the water
  • 45–50 ft: 5.6% of the water
  • 50–55 ft: 5.1% of the water
  • 55–60 ft: 4.9% of the water
  • 60–65 ft: 4.6% of the water
  • 65–70 ft: 4% of the water
  • 70–75 ft: 3.9% of the water
  • 75–80 ft: 4.2% of the water
  • 80–85 ft: 5% of the water
  • 85–90 ft: 8.2% of the water
  • 90–95 ft: 5% of the water
  • 95–100 ft: 4.7% of the water

2 target fish, led by Cutthroat Trout

  • Cutthroat Trout — Feeding water: 50–65°F.
  • Rainbow Trout — Feeding water: 50–65°F.

Also recorded here: Largemouth Bass, Yellow Perch, Brown Bullhead, Golden Shiner.

Water and conditions

Our water temperature readings average 62°F; they do not cover the whole year, so this is not a yearly average. The coldest single reading we hold is 33°F and the warmest is 75°F; the warmest monthly average is 70°F. pH averages 7.6. These readings span 2016–2025.

Summit Lake Sunset.jpg
LukeM7254 · CC BY-SA 4.0

1 ramp or launch on this water

On this water we hold 1 trailer ramp.

  • Summit Lake — 1 lane, restrooms. WDFW. website wdfw.wa.gov/places-to-go/water-access-sites/30589 · hours: 4th Saturday in April - October 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. Winter water drops to 49°F, and the warm-water species stop feeding well before you do.

Where this data comes from

  • Washington State Department of Ecology — Washington State Department of Ecology: depth contours: class A, a survey of the bottom.