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Rating depth structure for rainbow trout.
Recent public catches load as you reach this section.
1,487-acre lake in Skeena-Queen Charlotte Regional District, British Columbia. The lake tops out around 203 ft. These contours are modeled — built from the real shoreline and the water's maximum depth — so read them as a guide, never as navigation. Every species below gets its seasonal read from the same numbers driving the chart.
Traced from the shoreline, Mosquito Lake runs 1,487 acres with 13 miles of edge, broken up by 6 islands. The 2.4 development index tells the story — a convoluted bank whose fishable edge far outruns the acreage. Littoral water — the productive band under ~15 ft — makes up 7% of this chart, as modeled. The basin spans about 3.7 mi end to end and 1.1 mi across at its widest. You'll find it in Skeena-Queen Charlotte Regional District. The nearest mapped water is Skidegate Lake, 7 mi to the northeast.
Early season cutthroat trout use the shallows, holding in 3 to 15 ft. Expect a summer slide to 10 to 35 ft, then a winter hold in 10 to 40 ft. Put Main-lake point first on the milk run — a point near 51 ft that grades good for winter. In summer the feeding windows fall in early morning and the evening. Tie on a trolled spoon (small) or an inline spinner and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 15 ft | dawn & dusk | open water | Inline spinner (silver/gold), Small spoon |
| Summer | 10 to 35 ft | dawn & dusk | open water | Trolled spoon (small), Inline spinner |
| Fall | 5 to 25 ft | dawn & dusk | open water | Casting spoon, Inline spinner |
| Winter | 10 to 40 ft | dawn | Main-lake point (51 ft) | Small jigging spoon, Marabou jig |
Start shallow in spring: kokanee sit in 10 to 30 ft that time of year. Summer pushes them deeper, 30 to 70 ft, and winter fish settle into 20 to 80 ft. The spot to know is Break off the point, a drop-off in about 91 ft of water that rates good for kokanee in winter. Warm-month bites cluster around early morning. Throw a dodger + pink/orange squid on downrigger or a kokanee bug + corn until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 30 ft | dawn | open water | Small dodger + squid (pink), Wedding-ring spinner + corn |
| Summer | 30 to 70 ft | dawn | open water | Dodger + pink/orange squid on downrigger, Kokanee bug + corn |
| Fall | 5 to 40 ft | dawn | open water | Dodger + squid (deeper red/purple), Small spoon |
| Winter | 20 to 80 ft | dawn | Break off the point (91 ft) | Small glow jig + corn or maggot, Tiny spoon |
The spring pattern is a shallow one: rainbow trout in 5 to 20 ft. As the season builds they drop to 8 to 30 ft, wintering in 8 to 40 ft. Top water on the chart: Shallow bay flat, a feeding flat in the 6 ft range, good in spring. Time it for early morning and the evening. Summer baits: a dodger + spoon (deep troll) or a flutter spoon gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Shallow bay flat (6 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Shallow bay flat (6 ft) | 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) |
The spring pattern is a shallow one: chum salmon in 10 to 70 ft. The depth story barely changes: 4 to 70 ft through summer, 25 to 100 ft in winter. Top water on the chart: Main-lake point, a point in the 51 ft range, prime in summer. Time it for early morning and the evening. Summer baits: a chartreuse or pink hoochie or a bright spoon gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 70 ft | dawn & dusk | Main-lake point (51 ft) | Chrome spoon, Compact baitfish jig |
| Summer | 4 to 70 ft | dawn & dusk | Main-lake point (51 ft) | Chartreuse or pink hoochie, Bright spoon |
| Fall | 3 to 60 ft | dawn & dusk | Main-lake point (51 ft) | Bright spinner, Pink or chartreuse jig |
| Winter | 25 to 100 ft | midday | Break off the point (91 ft) | Compact vertical jig |
In spring, coho salmon run shallow here, mostly 3 to 25 ft. Midsummer fish sit out in 30 to 70 ft before dropping to 20 to 60 ft for winter. Fall coho salmon concentrate at Main-lake point, a good-rated point around 51 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a dodger + fly or a medium spoon above the thermocline most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 25 ft | dawn & dusk | open water | Small orange dodger + peanut fly, Thin spoon (orange/silver) |
| Summer | 30 to 70 ft | dawn & dusk | open water | Dodger + fly, Medium spoon above the thermocline |
| Fall | 8 to 40 ft | dawn & dusk | Main-lake point (51 ft) | Casting spoon, Spinner (chartreuse) |
| Winter | 20 to 60 ft | midday | open water | Small spoon, slow troll |
Spring dolly varden on Mosquito Lake hold shallow, usually 1 to 30 ft. They move out to 2 to 40 ft in summer and finish the year down in 8 to 45 ft. Put Main-lake point first on the milk run — a point near 51 ft that grades good for summer. The feeding windows run early morning and the evening. The summer box starts with a small chrome spoon or a baitfish streamer.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 30 ft | dawn & midday | open water | Small silver spoon, Inline spinner |
| Summer | 2 to 40 ft | dawn & dusk | Main-lake point (51 ft) | Small chrome spoon, Baitfish streamer |
| Fall | 1 to 25 ft | dawn & dusk | open water | Small spinner, Egg or fry pattern |
| Winter | 8 to 45 ft | midday | Main-lake point (51 ft) | Small slow spoon, Weighted baitfish fly |
Mosquito Lake also holds steelhead (5 to 45 ft in summer). Pick any of them on the map above for rated spots and bait picks.
6 pieces of structure are mapped here — Deep basin, around 173 ft, is the deepest of them.
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 Mosquito Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Mosquito Lake is about 203 ft (62 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 cutthroat trout, kokanee, rainbow trout, chum salmon, coho salmon, dolly varden, steelhead on Mosquito Lake.
Main-lake point is the top-rated area: a point in about 51 ft of water that rates prime for chum salmon in summer. The interactive chart above rates every spot for each species and season.
For cutthroat 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 Mosquito 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.
Skidegate Lake 7 mi · Mathers Lake 12 mi · Skidegate Inlet 15 mi · Yakoun Lake 20 mi · Sheila Lake 31 mi · Marie Lake 31 mi · Peter Lake 32 mi · Pam Lake 32 mi · Awun Lake 42 mi · Mayer Lake 44 mi · Port Clements - Masset Inlet 44 mi · Mercer Lake 47 mi
See how Mosquito Lake stacks up: best rainbow trout lakes in British Columbia · best coho salmon lakes in British Columbia · best steelhead lakes in British Columbia · best kokanee lakes in British Columbia
More water nearby: Skeena-Queen Charlotte Regional District fishing maps (46 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.