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Fishing Alastair Lake: what the data says
1,687-acre lake in British Columbia. The lake tops out around 257 ft. The chart is a model: real shoreline, published maximum depth, interpolated in between. A planning tool, never a navigation product. The season-by-season read for each species follows, from the map's own numbers.
Traced from the shoreline, Alastair Lake runs 1,683 acres with 12.9 miles of edge. With a shoreline index of 2.2, this water is all arms and coves — edge habitat well beyond its acreage. 6% of the surface is littoral (under ~15 ft), per the model — cover, weeds and forage water.
Chinook Salmon fishing at Alastair Lake
Start shallow in spring: chinook salmon sit in 5 to 40 ft that time of year. Warm water sends them out to 50 to 120 ft; cold water stacks them in 30 to 90 ft. Top water on the chart: Break off the point, a drop-off in the 116-ft range, prime in summer. Fish it in early morning and the evening and you'll meet the bite. Throw a flasher + fly (green/white) or a magnum spoon on downrigger until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 40 ft | dawn & dusk | Break off the point (116 ft) | Trolled spoon (orange/gold), Stickbait off planer boards |
| Summer | 50 to 120 ft | dawn & dusk | Break off the point (116 ft) | Flasher + fly (green/white), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dawn & dusk | Main-lake point (64 ft) | J-plug (glow), Flasher + fly |
| Winter | 30 to 90 ft | midday | Deep basin (218 ft) | Small spoon on a slow troll, Stickbait deep |
Coho Salmon fishing at Alastair Lake
Spring puts coho salmon in skinny water — 3 to 25 ft is the zone. Warm water sends them out to 30 to 70 ft; cold water stacks them in 20 to 60 ft. Deep basin is the standout, a deep basin at roughly 218 ft, rated good for summer coho salmon. Plan around early morning and the evening in the warm months. A dodger + fly or a medium spoon above the thermocline covers the summer program.
| 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 | Deep basin (218 ft) | Dodger + fly, Medium spoon above the thermocline |
| Fall | 8 to 40 ft | dawn & dusk | open water | Casting spoon, Spinner (chartreuse) |
| Winter | 20 to 60 ft | midday | Deep basin (218 ft) | Small spoon, slow troll |
Cutthroat Trout fishing at Alastair Lake
Spring cutthroat trout on Alastair Lake hold shallow, usually 3 to 15 ft. By summer they slide out to 10 to 35 ft, and by winter most fish are in 10 to 40 ft. The chart's best answer is Break off the point — drop-off, 116 ft, good for summer. Prime time lands in early morning and the evening. The summer box starts with a trolled spoon (small) or a inline spinner.
| 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 | Break off the point (116 ft) | Trolled spoon (small), Inline spinner |
| Fall | 5 to 25 ft | dawn & dusk | Main-lake point (64 ft) | Casting spoon, Inline spinner |
| Winter | 10 to 40 ft | dawn | Break off the point (116 ft) | Small jigging spoon, Marabou jig |
Steelhead fishing at Alastair Lake
Early season steelhead use the shallows, holding in 3 to 20 ft. Expect a summer slide to 5 to 45 ft, then a winter hold in 4 to 15 ft. Put Deep basin first on the milk run — a deep basin near 218 ft that grades good for summer. In summer the feeding windows fall in early morning and the evening. Tie on a orange dodger + fly high in the column or a thin spoon off boards and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 20 ft | dawn & dusk | open water | Small spoon or spinner at the mouths, Jig + waxworm under float |
| Summer | 5 to 45 ft | dawn & dusk | Deep basin (218 ft) | Orange dodger + fly high in the column, Thin spoon off boards |
| Fall | 5 to 30 ft | dawn & dusk | open water | Spinner (silver/blue), Casting spoon |
| Winter | 4 to 15 ft | midday | open water | Float jig (black/purple), Bead rig |
Rainbow Trout fishing at Alastair Lake
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. The spot to know is Shallow bay flat, a weed flat in about 6 ft of water that rates good for rainbow trout in spring. 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 | 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 | Break off the point (116 ft) | Jigging spoon, Tube jig (white) |
Lake Whitefish fishing at Alastair Lake
Come spring, look for lake whitefish tight to the bank in 15 to 45 ft. They move out to 40 to 90 ft in summer and finish the year down in 25 to 70 ft. If you only fish one area, make it Deep basin: a deep basin around 218 ft that scores good in summer. Best bite is early morning. A blade bait vertical or a small jigging spoon is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | open water | Small jig + waxworm, Blade bait (small) |
| Summer | 40 to 90 ft | dawn | Deep basin (218 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | open water | Small spoon (gold), Jig + plastic larva |
| Winter | 25 to 70 ft | midday & dawn | Deep basin (218 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
Notable structure
- Deep basin: deep basin, around 218 ft
- Break off the point: drop-off, around 116 ft
- Main-lake point: point, around 64 ft
- Secondary point: point, around 64 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
Alastair Lake fishing regulations
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 Alastair Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Common questions
How deep is Alastair Lake?
Alastair Lake is about 257 ft (78 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.
What fish are in Alastair Lake?
Anglers target rainbow trout, chinook salmon, coho salmon, steelhead, lake whitefish, cutthroat trout on Alastair Lake.
Where is the best fishing spot on Alastair Lake?
Break off the point is the top-rated area: a drop-off in about 116 ft of water that rates prime for chinook salmon in summer. The map above holds the full rated-spot list for every species and season.
When is the best time to fish Alastair Lake?
For chinook salmon, 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.
What are the fishing regulations for Alastair Lake?
Fishing on Alastair 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.
Nearby waters
Khtada Lake 11 mi · Davis Lake 15 mi · Johnston Lake 20 mi · Jesse Lake 20 mi · Hayward Lake 22 mi · Arden Lake 25 mi · Lower Lake 26 mi · Ecstall Lake 27 mi · Madeline Lake 29 mi · Onion Lake 30 mi · Lakelse Lake 32 mi · Herman Lake 32 mi
See how Alastair Lake stacks up: best rainbow trout lakes in British Columbia · best chinook salmon lakes in British Columbia · best coho salmon lakes in British Columbia · best steelhead lakes in British Columbia
Browse all British Columbia fishing maps or see every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.