Spar Lake fishing: Cutthroat Trout, Rainbow Trout, Brook Trout
Target species: Cutthroat Trout, Rainbow Trout, Brook Trout, Lake Trout, Arctic Grayling
Boat: 1 ramp or launch on file for this water.
Start here: Launch at Spar Lake Boating Site.
The lake
Spar Lake covers 369 acres in Montana, across Lincoln County. It is a lake: the deepest point measured is at least 200 feet (61 m). Our records hold 5 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. We hold 46 depth contour lines for this water.
- 0–10 ft: 18.2% of the water
- 10–20 ft: 5.6% of the water
- 20–30 ft: 4.6% of the water
- 30–40 ft: 4.4% of the water
- 40–50 ft: 4.1% of the water
- 50–60 ft: 3.7% of the water
- 60–70 ft: 3.4% of the water
- 70–80 ft: 3.2% of the water
- 80–90 ft: 3% of the water
- 90–100 ft: 2.8% of the water
- 100–110 ft: 2.7% of the water
- 110–120 ft: 2.6% of the water
- 120–130 ft: 2.6% of the water
- 130–140 ft: 2.6% of the water
- 140–150 ft: 2.7% of the water
- 150–160 ft: 2.9% of the water
- 160–170 ft: 3% of the water
- 170–180 ft: 3.1% of the water
- 180–190 ft: 3% of the water
- 190–200 ft: 21.9% of the water
5 target fish, led by Cutthroat Trout
- Cutthroat Trout — Feeding water: 50–65°F.
- Rainbow Trout — Feeding water: 50–65°F.
- Brook Trout — Feeding water: 50–65°F.
- Lake Trout — Feeding water: 50–65°F.
- Arctic Grayling — Feeding water: 50–65°F.
Stocking: 3,958,717 fish, 1995–2026
Montana Fish, Wildlife & Parks records list 3,958,717 fish released into this water from 1995 to 2026.
- Arctic Grayling: 780,000 in 1951
- Cutthroat Trout: 253,663 in 1933–1958
- Rainbow Trout: 181,699 in 2007–2026
- Lake Trout: 66,600 in 1940–1954
- Brook Trout: 61,970 in 1939–1946
3 more species on the stocking list.

1 ramp or launch on this water
On this water we hold 1 boat ramp.
- Spar Lake Boating Site — US Forest Service. website fs.usda.gov/recarea/kootenai/recreation/recarea/?recid=49911
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
- Montana Fish, Wildlife & Parks — Montana Fish, Wildlife & Parks: 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.
















