Sign inSign up freeRecent catches at Sylvia Lake
Shared by DepthScout anglers. Exact spots stay private, always.
Fishing Sylvia Lake: what the data says
23-acre lake near Montana. The lake tops out around 43 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. What follows comes from the same scoring engine that paints the spots above.
Arctic Grayling fishing at Sylvia Lake
Start shallow in spring: arctic grayling sit in 2 to 10 ft that time of year. By summer they slide out to 3 to 15 ft, and by winter most fish are in 8 to 25 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 6 ft that scores good in spring. In summer the feeding windows fall in the evening and early morning. A dry fly (parachute adams, elk hair caddis) or a small inline spinner covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | midday & dusk | 1/16 oz spinner (silver), Small dry fly (Adams, Griffith's) |
| Summer | 3 to 15 ft | dusk & dawn | Dry fly (parachute Adams, elk hair caddis), Small inline spinner |
| Fall | 6 to 20 ft | midday | Small spoon, Beadhead nymph under indicator |
| Winter | 8 to 25 ft | midday & dawn | Tungsten jig + waxworm, Small jigging spoon (gold) |
Cutthroat Trout fishing at Sylvia Lake
In spring, cutthroat trout run shallow here, mostly 3 to 15 ft. Summer pushes them deeper, 10 to 35 ft, and winter fish settle into 10 to 40 ft. Break off the point is the standout, a drop-off at roughly 34 ft, rated prime for summer cutthroat trout. Best bite is early morning and the evening. Tie on a trolled spoon (small) or a inline spinner and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 15 ft | dawn & dusk | Inline spinner (silver/gold), Small spoon |
| Summer | 10 to 35 ft | dawn & dusk | Trolled spoon (small), Inline spinner |
| Fall | 5 to 25 ft | dawn & dusk | Casting spoon, Inline spinner |
| Winter | 10 to 40 ft | dawn | Small jigging spoon, Marabou jig |
Notable structure
- Deep basin: deep basin, around 43 ft
- Break off the point: drop-off, around 34 ft
- Main-lake point: point, around 18 ft
- Shallow bay flat: weed flat, around 6 ft
Common questions
How deep is Sylvia Lake?
Sylvia Lake is about 43 ft at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
What fish are in Sylvia Lake?
Anglers target arctic grayling, cutthroat trout on Sylvia Lake.
Where is the best fishing spot on Sylvia Lake?
Break off the point is the top-rated area: a drop-off in about 34 ft of water that rates prime for cutthroat trout in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Sylvia Lake?
For arctic grayling, the summer bite is best in the evening and early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Island Lake · Little Bitterroot Lake · Ashley Lake · Tally Lake · Upper Martin Lake · Big Fire Lake
See how Sylvia Lake stacks up: best arctic grayling lakes in Montana · best cutthroat trout lakes in Montana
Browse all Montana fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.