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320-acre lake in Algoma District, Ontario. The lake tops out around 50 ft. The depth data here comes from the Ontario MNRF survey of 1972, a decades-old survey (a transect sounding survey). What the data behind the map says about each species, season by season:
Traced from the shoreline, Garnet Lake runs 321 acres with 5.5 miles of edge, broken up by an island. The 2.2 development index tells the story — a convoluted bank whose fishable edge far outruns the acreage. About 56% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. Figure 1.2 mi of water from one end to the other, 0.9 mi at the beam. You'll find it in Algoma District. The nearest mapped water is Frost L. 68, 2 mi to the east.
Come spring, look for lake whitefish tight to the bank in 15 to 45 ft. They move out to 15 to 50 ft in summer and finish the year down in 15 to 50 ft. If you only fish one area, make it Deep basin: a deep basin around 50 ft that scores prime 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 | Break off the point (23 ft) | Small jig + waxworm, Blade bait (small) |
| Summer | 15 to 50 ft | dawn | Deep basin (50 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Break off the point (23 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 15 to 50 ft | midday & dawn | Deep basin (50 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
In spring, northern pike run shallow here, mostly 2 to 8 ft. Midsummer fish sit out in 8 to 20 ft before dropping to 5 to 15 ft for winter. Spring northern pike concentrate at Shallow bay flat, a prime-rated weed flat around 2 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a bucktail or a weedless spoon over cabbage most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (2 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Break off the point (23 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Back-bay flat (3 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Back-bay flat (3 ft) | Tip-ups, Large jigging spoon |
The chart marks 6 structure features on Garnet Lake; the deepest is Deep basin at about 50 ft.
Season dates, license requirements, and size and bag limits for Ontario waters are set by the Ontario fishing regulations (FMZ summary) — and special regulations can apply to Garnet Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Garnet Lake is about 50 ft (15 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1972, a decades-old survey (a transect sounding survey).
Anglers target lake whitefish, northern pike on Garnet Lake.
Deep basin is the top-rated area: a deep basin in about 50 ft of water that rates prime for lake whitefish in summer. Open the map above to see every rated spot for each species and season.
For lake whitefish, 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 Garnet Lake is regulated by the Ontario fishing regulations (FMZ summary). Check the official Ontario regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Frost L. 68 2 mi · Crew Lake 2 mi · Humberstone Lake 3 mi · Perrin Lake 3 mi · Nagagamisis Lake 3 mi · Jig Lake 3 mi · Park Lake 4 mi · Saw Lake 4 mi · Leaf Lake 4 mi · Shapeless Lake 4 mi · Frost Lake 5 mi · Lloyd Lake 6 mi
See how Garnet Lake stacks up: best northern pike lakes in Ontario · best lake whitefish lakes in Ontario
More water nearby: Algoma District fishing maps (1026 charts). Browse all Ontario fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. 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.