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Fishing Grafton Lake: what the data says
33-acre lake in British Columbia. The lake tops out around 52 ft. Depth here is modeled from the true shoreline and max depth rather than surveyed; use it to plan, not to navigate. Species by species, here's what the data says the year looks like.
On the chart, Grafton Lake draws 33 acres inside 1 miles of shoreline. The basin is a simple one (shoreline index 1.3) — close to a bowl, so the structure on the chart matters more than the bank. About 24% of the surface sits shallower than 15 ft on the modeled chart — that's the weed-and-bait zone.
Coho Salmon fishing at Grafton Lake
The spring pattern is a shallow one: coho salmon in 3 to 25 ft. Midsummer fish sit out in 16 to 52 ft before dropping to 16 to 52 ft for winter. The spot to know is Deep basin, a deep basin in about 44 ft of water that rates prime for coho salmon in summer. Plan around early morning and the evening in the warm months. Summer baits: a dodger + fly or a medium spoon above the thermocline gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 25 ft | dawn & dusk | Main-lake point (13 ft) | Small orange dodger + peanut fly, Thin spoon (orange/silver) |
| Summer | 16 to 52 ft | dawn & dusk | Deep basin (44 ft) | Dodger + fly, Medium spoon above the thermocline |
| Fall | 8 to 40 ft | dawn & dusk | Main-lake point (13 ft) | Casting spoon, Spinner (chartreuse) |
| Winter | 16 to 52 ft | midday | Deep basin (44 ft) | Small spoon, slow troll |
Cutthroat Trout fishing at Grafton Lake
Come spring, look for cutthroat trout tight to the bank in 3 to 15 ft. Expect a summer slide to 10 to 35 ft, then a winter hold in 10 to 40 ft. Start at Break off the point. It's a drop-off holding about 23 ft of water and rates prime come summer. Prime time lands in early morning and the evening. A trolled spoon (small) or a inline spinner is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 15 ft | dawn & dusk | Main-lake point (13 ft) | Inline spinner (silver/gold), Small spoon |
| Summer | 10 to 35 ft | dawn & dusk | Break off the point (23 ft) | Trolled spoon (small), Inline spinner |
| Fall | 5 to 25 ft | dawn & dusk | Main-lake point (13 ft) | Casting spoon, Inline spinner |
| Winter | 10 to 40 ft | dawn | Break off the point (23 ft) | Small jigging spoon, Marabou jig |
Kokanee fishing at Grafton Lake
In spring, kokanee run shallow here, mostly 10 to 30 ft. Summer pushes them deeper, 16 to 52 ft, and winter fish settle into 13 to 52 ft. Deep basin is the standout, a deep basin at roughly 44 ft, rated prime for summer kokanee. Time it for early morning. You won't need more than a dodger + pink/orange squid on downrigger or a kokanee bug + corn most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 30 ft | dawn | Break off the point (23 ft) | Small dodger + squid (pink), Wedding-ring spinner + corn |
| Summer | 16 to 52 ft | dawn | Deep basin (44 ft) | Dodger + pink/orange squid on downrigger, Kokanee bug + corn |
| Fall | 5 to 40 ft | dawn | Deep basin (44 ft) | Dodger + squid (deeper red/purple), Small spoon |
| Winter | 13 to 52 ft | dawn | Deep basin (44 ft) | Small glow jig + corn or maggot, Tiny spoon |
Notable structure
- Deep basin: deep basin, around 44 ft
- Break off the point: drop-off, around 23 ft
- Main-lake point: point, around 13 ft
- Shallow bay flat: weed flat, around 6 ft
Grafton 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 Grafton Lake specifically, so confirm the current rules before you fish.
Check the official British Columbia fishing regulations →
Common questions
How deep is Grafton Lake?
Grafton Lake is about 52 ft (16 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 Grafton Lake?
Anglers target coho salmon, kokanee, cutthroat trout on Grafton Lake.
Where is the best fishing spot on Grafton Lake?
Deep basin is the top-rated area: a deep basin in about 44 ft of water that rates prime for coho salmon in summer. The interactive chart above rates every spot for each species and season.
When is the best time to fish Grafton Lake?
For coho 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 Grafton Lake?
Fishing on Grafton 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
Killarney Lake 1 mi · Josephine Lake 2 mi · Honeymoon Lake 2 mi · Phyllis Lake 15 mi · Rice Lake 16 mi · Browning Lake 20 mi · Deer Lake 20 mi · Sasamat Lake 22 mi · Richardson Lake 22 mi · Buntzen Lake 23 mi · Crowston Lake 23 mi · Como Lake 24 mi
See how Grafton Lake stacks up: best coho salmon lakes in British Columbia · best kokanee lakes in British Columbia · best cutthroat trout 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.