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85-acre lake in Haliburton County, Ontario. The lake tops out around 53 ft. The depth data here comes from the Ontario MNRF survey of 1980 (a transect sounding survey). Species by species, here's what the data says the year looks like.
The drawn water covers 85 acres wrapped in 4.2 miles of bank, broken up by 3 islands. A development index of 3.2 means a maze of bays and points: far more casting targets than a round bowl of the same size. 53% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. Call it 0.9 mi long by 0.5 mi wide at the broadest reach. Haliburton County claims this one. If the bite dies, Depot Lake is 1 mi to the west.
When the water first warms, brook trout slide up into 2 to 15 ft. Summer is a 10 to 30 ft game here, winter a 3 to 20 ft one. Start at Main-lake point. It's a point holding about 3 ft of water and rates prime come spring. The feeding windows run early morning and the evening. Keep a small spoon fished deep or a trolled lake-clear wobbler + worm rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Main-lake point (3 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Break off the point (5 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (3 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Break off the point (5 ft) | Small jigging spoon, Tungsten jig + plastic |
Raddan Lake carries 6 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 51 ft down.
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 Raddan Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Raddan Lake is about 53 ft (16 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1980 (a transect sounding survey).
Anglers target brook trout on Raddan Lake.
Main-lake point is the top-rated area: a point in about 3 ft of water that rates prime for brook trout in spring. Every other rated spot, per species and season, is on the map above.
For brook 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 Raddan 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.
Depot Lake 1 mi · Bivouac Lake 3 mi · Nugget Lake 3 mi · Eyre Lake 3 mi · Little Black Lake 3 mi · Wolf Lake 3 mi · South Wildcat Lake 3 mi · Wildcat Lake 3 mi · Clean Lake 4 mi · Rainbow Lake 4 mi · Little Kennisis Lake 4 mi · Marsden Lake 5 mi
See how Raddan Lake stacks up: best brook trout lakes in Ontario
More water nearby: Haliburton County fishing maps (295 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.