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Rating depth structure for rainbow trout.
Recent public catches load as you reach this section.
89-acre lake in British Columbia. The lake tops out around 13 ft. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled. Species by species, here's what the data says the year looks like.
On the chart, Gauthier Lake draws 89 acres inside 1.6 miles of shoreline. A shoreline index of 1.2 says round and simple: fish relate to depth changes here, not shoreline features. Every acre of it sits shallower than ~15 ft: one big littoral zone, cover and forage throughout. Call it 0.5 mi long by 0.4 mi wide at the broadest reach. You'll find it in Peace River Regional District. The nearest mapped water is Kelly Lake, 1 mi to the south.
The spring pattern is a shallow one: rainbow trout in 3 to 13 ft. The depth story barely changes: 3 to 13 ft through summer, 3 to 13 ft in winter. Top water on the chart: Deep basin, a deep basin in the 13 ft range, prime in winter. Time it for early morning and the evening. Summer baits: a dodger + spoon (deep troll) or a flutter spoon gets it done.
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 | 3 to 13 ft chart-limited; documented 5 to 20 ft | dawn & dusk | Back-bay flat (3 ft) | Inline spinner (silver), Small spoon |
| Summer | 3 to 13 ft chart-limited; documented 8 to 30 ft | dawn & dusk | Deep basin (13 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 4 to 13 ft chart-limited; documented 10 to 35 ft | dawn & dusk | Deep basin (13 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 3 to 13 ft chart-limited; documented 8 to 40 ft | dawn | Deep basin (13 ft) | Jigging spoon, Tube jig (white) |
6 pieces of structure are mapped here — Deep basin, around 13 ft, is the deepest of them.
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 Gauthier Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Gauthier Lake is about 13 ft (4 m) deep at its deepest point. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Anglers target rainbow trout on Gauthier 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 13 ft of water that rates prime for rainbow trout in winter. The interactive chart above rates every spot for each 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 Gauthier 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.
Kelly Lake 1 mi · Beaverlodge Lake 5 mi · Teepee Lake 6 mi · One Island Lake 10 mi · Swan Lake 17 mi · Boot Lake 17 mi · Blackhawk Lake 19 mi · Trout Lake 29 mi · Bearhole Lake 30 mi · Gibson Lake 34 mi · Quality Lake 36 mi · Stony Lake 37 mi
See how Gauthier Lake stacks up: best rainbow trout 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. Bathymetry: published agency survey data. 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.