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Rating depth structure for rainbow trout.
Recent public catches load as you reach this section.
480-acre lake in Cariboo Regional District, British Columbia. The lake tops out around 130 ft. The depth chart comes from British Columbia Fish and Wildlife Branch bathymetric survey data, so the contours are survey-derived rather than computer-modeled. What the data behind the map says about each species, season by season:
Traced from the shoreline, Horn Lake runs 480 acres with 6.1 miles of edge — one island included. Index 2 on the shoreline: a few honest points and pockets, nothing labyrinthine. 31% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. End to end it runs roughly 2.5 mi, about 0.9 mi across. You'll find it in Cariboo Regional District. Closest neighbour on DepthScout: Sapeye Lake, 2 mi southwest of here.
Start shallow in spring: rainbow trout sit in 5 to 20 ft that time of year. Summer pushes them deeper, 8 to 30 ft, and winter fish settle into 8 to 40 ft. Warm-month bites cluster around early morning and the evening. Throw a dodger + spoon (deep troll) or a flutter spoon until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | open water | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | open water | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | open water | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | open water | Jigging spoon, Tube jig (white) |
Start shallow in spring: bull trout sit in 10 to 40 ft that time of year. Warm water sends them out to 30 to 90 ft; cold water stacks them in 20 to 70 ft. Fish it in early morning and the evening and you'll meet the bite. Throw a trolled plug on downrigger or a heavy jigging spoon until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | open water | Large jointed plug, 6" swimbait (kokanee/trout pattern) |
| Summer | 30 to 90 ft | dawn & dusk | open water | Trolled plug on downrigger, Heavy jigging spoon |
| Fall | 5 to 35 ft | dawn & dusk | open water | Large glide bait, Jointed plug |
| Winter | 20 to 70 ft | dawn | open water | Heavy spoon (slow lift), Large soft swimbait |
Structure-wise the chart holds 7 features, led in depth by Deep basin at roughly 82 ft.
Access data: British Columbia Recreation Sites and Trails - Recreation Sites Subset; Government of British Columbia - Dual-Verified Provincial Crown Land Shoreline; Government of British Columbia - Dual-Verified Provincial Crown Land Shoreline. Confirm conditions and fees locally before you launch.
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 Horn Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Horn Lake is about 130 ft (40 m) deep at its deepest point. The depth chart comes from British Columbia Fish and Wildlife Branch bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Anglers target rainbow trout, bull trout on Horn Lake.
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 Horn 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.
Sapeye Lake 2 mi · Little Sapeye Lake 3 mi · Bluff Lake 4 mi · Martin Lake 11 mi · Cochin Lake 11 mi · Miner Lake 13 mi · Middle Lake 13 mi · Agnus Lake 13 mi · One Eye Lake 15 mi · Eagle Lake 15 mi · Tatla Lake 17 mi · Clearwater Lake 20 mi
See how Horn Lake stacks up: best rainbow trout lakes in British Columbia
More water nearby: Cariboo Regional District fishing maps (445 charts). Browse all British Columbia fishing maps. See every water on DepthScout. Depth data: British Columbia Fish and Wildlife Branch, Horn Lake historic bathymetric survey chart. 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.