Ashley Lake fishing: Rainbow Trout, Cutthroat Trout, Yellow Perch

Target species: Rainbow Trout, Cutthroat Trout, Yellow Perch, Arctic Grayling
Boat: 1 ramp or launch on file for this water.
Start here: Launch at Ashley Lake Boat.

The lake

Ashley Lake covers 2,894 acres in Montana, across Flathead County. It is a lake: 91.8% of it is 190 feet deep or less; the deepest point measured is at least 200 feet (61 m). Our records hold 6 species for this water.

Depth and bottom

Deepest measured point: at least 200 ft (61 m). That is the deepest contour line: the bottom goes deeper. 91.8% of the water is 190 feet or shallower. We hold 81 depth contour lines for this water.

Looking out on Ashley Lake from a prescribed burn area (50744567607).jpg
Forest Service - Northern Region · Public domain
  • 0–10 ft: 15.7% of the water
  • 10–20 ft: 6% of the water
  • 20–30 ft: 4.9% of the water
  • 30–40 ft: 4.4% of the water
  • 40–50 ft: 4% of the water
  • 50–60 ft: 4% of the water
  • 60–70 ft: 3.8% of the water
  • 70–80 ft: 3.9% of the water
  • 80–90 ft: 3.9% of the water
  • 90–100 ft: 4.3% of the water
  • 100–110 ft: 5.6% of the water
  • 110–120 ft: 5.5% of the water
  • 120–130 ft: 4.6% of the water
  • 130–140 ft: 4.3% of the water
  • 140–150 ft: 3.4% of the water
  • 150–160 ft: 3.4% of the water
  • 160–170 ft: 3.6% of the water
  • 170–180 ft: 3.5% of the water
  • 180–190 ft: 3% of the water
  • 190–200 ft: 8.1% of the water

Stocking: 10,561,807 fish, 1973–2023

Montana Fish, Wildlife & Parks records list 10,561,807 fish released into this water from 1973 to 2023.

  • Cutthroat Trout: 7,909,383 in 1948–1982
  • Arctic Grayling: 1,460,000 in 1951–1956
  • Rainbow Trout: 76,068 in 1949–1960

4 more species on the stocking list.

Moody skies threatening snow over Ashley Lake (50744458181).jpg
Forest Service - Northern Region · Public domain

4 target fish, led by Rainbow Trout

  • Rainbow Trout — Feeding water: 50–65°F.
  • Cutthroat Trout — Feeding water: 50–65°F.
  • Yellow Perch — Feeding water: 45–75°F.
  • Arctic Grayling — Feeding water: 50–65°F.

Also recorded here: Northern Pike, Largemouth Bass.

1 ramp or launch on this water

On this water we hold 1 boat ramp.

  • Ashley Lake Boat — US Forest Service. website fs.usda.gov/recarea/flathead/recarea/?recid=67070

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.

Water and conditions

Our water temperature readings average 70°F; they do not cover the whole year, so this is not a yearly average. These readings span 2017–2023.

What is hard here

Only 1 public ramp is on file, so the launch decides where you fish.

Where this data comes from

  • Montana Fish, Wildlife & Parks — Montana Fish, Wildlife & Parks: depth contours: class A, a survey of the bottom.
  • EPA NLA — EPA National Lakes Assessment: class B, a depth figure measured and published by an agency, without a bottom map, 2007.
  • 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.