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Rating depth structure for rainbow trout.
Recent public catches load as you reach this section.
15-acre lake in British Columbia. The lake tops out around 26 ft. The contours come from a model of the real basin shape and its known max depth. Read them as probabilities, not soundings, and keep them out of navigation decisions. What follows comes from the same scoring engine that paints the spots above.
Traced from the shoreline, Serpent Lake runs 15 acres with 1.4 miles of edge. An index of 2.5 puts the bank firmly in maze territory: point after pocket after cove, every one a casting target. The shallow band under 15 ft claims about 84% of the surface on the model — that's where the groceries are. End to end it runs roughly 0.5 mi, about 0.2 mi across. You'll find it in Peace River Regional District. The nearest mapped water is Lake Joan, 1 mi to the southwest.
Spring puts rainbow trout in skinny water — 5 to 20 ft is the zone. As the season builds they drop to 7 to 26 ft, wintering in 5 to 26 ft. Spring rainbow trout concentrate at Main-lake point, a prime-rated point around 8 ft. Warm-month bites cluster around early morning and the evening. A dodger + spoon (deep troll) or a flutter spoon covers the summer program.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Main-lake point (8 ft) | Inline spinner (silver), Small spoon |
| Summer | 7 to 26 ft chart-limited; documented 8 to 30 ft | dawn & dusk | Main-lake point (8 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 7 to 26 ft chart-limited; documented 10 to 35 ft | dawn & dusk | Main-lake point (8 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 5 to 26 ft chart-limited; documented 8 to 40 ft | dawn | Deep basin (22 ft) | Jigging spoon, Tube jig (white) |
In spring, kokanee run shallow here, mostly 8 to 26 ft. Summer keeps them at 8 to 26 ft, and they winter in 7 to 26 ft. Deep basin is the standout, a deep basin at roughly 22 ft, rated prime for spring kokanee. Time it for early morning. You won't need more than a dodger + pink/orange squid on downrigger or a kokanee bug + corn most summer days.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 8 to 26 ft chart-limited; documented 10 to 30 ft | dawn | Deep basin (22 ft) | Small dodger + squid (pink), Wedding-ring spinner + corn |
| Summer | 8 to 26 ft chart-limited; documented 30 to 70 ft | dawn | Deep basin (22 ft) | Dodger + pink/orange squid on downrigger, Kokanee bug + corn |
| Fall | 3 to 26 ft chart-limited; documented 5 to 40 ft | dawn | Deep basin (22 ft) | Dodger + squid (deeper red/purple), Small spoon |
| Winter | 7 to 26 ft chart-limited; documented 20 to 80 ft | dawn | Deep basin (22 ft) | Small glow jig + corn or maggot, Tiny spoon |
Early season lake whitefish use the shallows, holding in 8 to 26 ft. Even in summer they hold at 8 to 26 ft; winter keeps them in 8 to 26 ft. The chart's best answer is Deep basin — deep basin, 22 ft, prime for summer. Best bite is early morning. Tie on a blade bait vertical or a small jigging spoon and you're in the game.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 8 to 26 ft chart-limited; documented 15 to 45 ft | midday & dawn | open water | Small jig + waxworm, Blade bait (small) |
| Summer | 8 to 26 ft chart-limited; documented 40 to 90 ft | dawn | Deep basin (22 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 7 to 26 ft chart-limited; documented 8 to 30 ft | dusk | Main-lake point (8 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 8 to 26 ft chart-limited; documented 25 to 70 ft | midday & dawn | Deep basin (22 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
Spring puts burbot in skinny water — 8 to 26 ft is the zone. Summer fish stay in 8 to 26 ft, and winter fish hold in 7 to 26 ft. Deep basin is the standout, a deep basin at roughly 22 ft, rated prime for spring burbot. Plan around after dark and midday in the warm months. A heavy jig + cut bait covers the summer program.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 8 to 26 ft chart-limited; documented 25 to 70 ft | night & dusk | Deep basin (22 ft) | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 8 to 26 ft chart-limited; documented 50 to 120 ft | night & midday | Deep basin (22 ft) | Heavy jig + cut bait |
| Fall | 8 to 26 ft chart-limited; documented 30 to 80 ft | night & dusk | Deep basin (22 ft) | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 7 to 26 ft chart-limited; documented 15 to 60 ft | night & dusk | Deep basin (22 ft) | Glow tungsten + cut bait, Rattle spoon + minnow head |
The chart marks 3 structure features on Serpent Lake; the deepest is Deep basin at about 22 ft.
Season dates, license requirements, and size and bag limits for British Columbia waters are set by the BC freshwater fishing synopsis — and special regulations can apply to Serpent Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Serpent Lake is about 26 ft (8 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.
Anglers target rainbow trout, kokanee, lake whitefish, burbot on Serpent Lake. This isn't a survey of the water — none is published for it — but an informed estimate from the species common to the region, narrowed by this water's depth, size and each species' range.
Deep basin is the top-rated area: a deep basin in about 22 ft of water that rates prime for kokanee in spring. The map above holds the full rated-spot list for every species and season.
For rainbow trout, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Serpent Lake is regulated by the BC freshwater fishing synopsis. Check the official British Columbia regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Lake Joan 1 mi · Quintette Lake 12 mi · Monkman Lake 12 mi · Anderson Lake 12 mi · Hook Lake 13 mi · Hambler Lakes 14 mi · Hambler Lakes 14 mi · Onion Lake 17 mi · Lower Blue Lake 17 mi · Tlooki Lake 17 mi · Paxton Lake 18 mi · Upper Blue Lake 20 mi
See how Serpent Lake stacks up: best rainbow trout lakes in British Columbia · best kokanee lakes in British Columbia · best lake whitefish lakes in British Columbia · best burbot lakes in British Columbia
More water nearby: Peace River Regional District fishing maps (100 charts). Browse all British Columbia fishing maps. See every water on DepthScout. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.