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Fishing Long Mountain Lake: what the data says
292-acre lake near British Columbia. The lake tops out around 92 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. What follows comes from the same scoring engine that paints the spots above.
Arctic Grayling fishing at Long Mountain Lake
Spring arctic grayling on Long Mountain Lake hold shallow, usually 2 to 10 ft. They move out to 3 to 15 ft in summer and finish the year down in 8 to 25 ft. The spot to know is Shallow bay flat, a weed flat in about 6 ft of water that rates good for arctic grayling in spring. Plan around the evening and early morning in the warm months. Summer baits: a dry fly (parachute adams, elk hair caddis) or a small inline spinner gets it done.
| 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) |
Lake Trout fishing at Long Mountain Lake
Spring lake trout on Long Mountain Lake hold shallow, usually 10 to 40 ft. They move out to 28 to 92 ft in summer and finish the year down in 20 to 80 ft. The spot to know is Deep basin, a deep basin in about 78 ft of water that rates prime for lake trout in summer. In summer the feeding windows fall in early morning. A white tube jig (deep) or a magnum spoon on downrigger covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 28 to 92 ft | dawn | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Heavy casting spoon, Jigging rap over reefs |
| Winter | 20 to 80 ft | dawn | White tube jig, Airplane jig |
Notable structure
- Deep basin: deep basin, around 78 ft
- Break off the point: drop-off, around 41 ft
- Main-lake point: point, around 23 ft
- Secondary point: point, around 23 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
Common questions
How deep is Long Mountain Lake?
Long Mountain Lake is about 92 ft (28 m) deep at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
What fish are in Long Mountain Lake?
Anglers target lake trout, arctic grayling on Long Mountain Lake.
Where is the best fishing spot on Long Mountain Lake?
Deep basin is the top-rated area: a deep basin in about 78 ft of water that rates prime for lake trout in summer. Open the map above to see every rated spot for each species and season.
When is the best time to fish Long Mountain 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
Fishing Lake · Horneline Lake · Netson Lake · Scoop Lake · Muncho Lake · Moodie Lakes
See how Long Mountain Lake stacks up: best lake trout lakes in British Columbia · best arctic grayling lakes in British Columbia
Browse all British Columbia fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.