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Rating depth structure for rainbow trout.
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507-acre lake near Omineca, BC. The lake tops out around 108 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.
The outline encloses 517 acres, worked by 9.4 miles of shoreline, with 5 islands in the mix. A development index of 3 means a maze of bays and points: far more casting targets than a round bowl of the same size. The shallow band under 15 ft claims about 8% of the surface — that's where the groceries are. End to end it runs roughly 2.4 mi, about 0.9 mi across. It sits in Peace River Regional District. Fox Lake sits 25 mi southeast — the closest neighbouring chart.
Early season lake trout use the shallows, holding in 10 to 40 ft. Expect a summer slide to 32 to 108 ft, then a winter hold in 20 to 80 ft. Put Deep basin first on the milk run — a deep basin near 101 ft that grades prime for summer. In summer the feeding windows fall in early morning. Tie on a white tube jig (deep) or a magnum spoon on downrigger and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Main-lake point (18 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 32 to 108 ft | dawn | Deep basin (101 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Main-lake point (18 ft) | Heavy casting spoon, Jigging rap over reefs |
| Winter | 20 to 80 ft | dawn | Break off the point (67 ft) | White tube jig, Airplane jig |
Come spring, look for rainbow trout tight to the bank in 5 to 20 ft. Expect a summer slide to 8 to 30 ft, then a winter hold in 8 to 40 ft. Start at Main-lake point. It's a point holding about 18 ft of water and rates prime come spring. Prime time lands in early morning and the evening. A dodger + spoon (deep troll) or a flutter spoon is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Main-lake point (18 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Main-lake point (18 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (18 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Break off the point (67 ft) | Jigging spoon, Tube jig (white) |
Spring puts lake whitefish in skinny water — 15 to 45 ft is the zone. As the season builds they drop to 40 to 90 ft, wintering in 25 to 70 ft. Summer lake whitefish concentrate at Break off the point, a prime-rated drop-off around 67 ft. Warm-month bites cluster around early morning. A blade bait vertical or a small jigging spoon covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | Shallow bay flat (18 ft) | Small jig + waxworm, Blade bait (small) |
| Summer | 40 to 90 ft | dawn | Break off the point (67 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Main-lake point (18 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 25 to 70 ft | midday & dawn | Break off the point (67 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
The chart marks 7 structure features on Obo Lake; the deepest is Deep basin at about 101 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 Obo Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Obo Lake is about 108 ft (33 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 lake trout, rainbow trout, lake whitefish on Obo Lake.
Deep basin is the top-rated area: a deep basin in about 101 ft of water that rates prime for lake trout in summer. Scroll up to the map for the complete spot list by species and season.
For lake trout, the summer bite is best in early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Obo 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.
Fox Lake 25 mi · Frog Lakes 26 mi · South Gataga Lakes 36 mi · South Gataga Lakes 36 mi · Weissener Lake 38 mi · Toodoggone Lake 40 mi · Denetiah Lake 42 mi · Tucho Lake 45 mi · Netson Lake 49 mi · Budd Lake 50 mi · Rainbow Lake 52 mi · Quentin Lake 53 mi
See how Obo Lake stacks up: best rainbow trout lakes in British Columbia · best lake trout lakes in British Columbia · best lake whitefish lakes in British Columbia
More water nearby: Peace River Regional District fishing maps (100 charts). Browse all British Columbia fishing maps or 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.