Sophie 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 Sophie Lake.
The lake
Sophie Lake covers 250 acres in Montana, across Lincoln County. It is a lake: 92.9% of it is 48 feet deep or less; the deepest point measured is at least 50 feet (15.2 m). Our records hold 4 species for this water.
Stocking: 1,563,048 fish, 1997–2026
Montana Fish, Wildlife & Parks records list 1,563,048 fish released into this water from 1997 to 2026.
- Cutthroat Trout: 565,460 in 1954–1960
- Rainbow Trout: 317,442 in 2007–2026
4 more species on the stocking list.
Depth and bottom
Deepest measured point: at least 50 ft (15.2 m). That is the deepest contour line: the bottom goes deeper. EPA NLA measured 68.9 ft (21 m) at one sampling site: that is not the maximum of the water. 92.9% of the water is 48 feet or shallower. We hold 82 depth contour lines for this water.
- 0–3 ft: 5.9% of the water
- 3–6 ft: 9.2% of the water
- 6–9 ft: 10.8% of the water
- 9–12 ft: 9.8% of the water
- 12–15 ft: 9.6% of the water
- 15–18 ft: 8.6% of the water
- 18–21 ft: 5.4% of the water
- 21–24 ft: 4.1% of the water
- 24–27 ft: 3.8% of the water
- 27–30 ft: 3.7% of the water
- 30–33 ft: 3.6% of the water
- 33–36 ft: 3.6% of the water
- 36–39 ft: 3.8% of the water
- 39–42 ft: 3.9% of the water
- 42–45 ft: 3.6% of the water
- 45–48 ft: 3.5% of the water
- 48–50 ft: 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: Northern Pike, Bluegill.

1 ramp or launch on this water
On this water we hold 1 boat ramp.
- Sophie Lake website myfwp.mt.gov/fishMT/fas/39754051
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 71°F; they do not cover the whole year, so this is not a yearly average. pH averages 8.6. 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.















