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Rating depth structure for brook trout.
Recent public catches load as you reach this section.
7-acre lake in Cochrane District, Ontario. The lake tops out around 36 ft. The depth chart comes from Ontario Ministry of Natural Resources and Forestry bathymetric survey data, so the contours are survey-derived rather than computer-modeled. The depth data here comes from a transect sounding survey by the Ontario MNRF. What the data behind the map says about each species, season by season:
The drawn water covers 7 acres wrapped in 0.5 miles of bank. Nearly circular (index 1.3), so the story is the bottom, not the bank. About 60% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. Cochrane District claims this one. If the bite dies, Teetzel L. 5 is 1 mi to the south.
Come spring, look for brook trout tight to the bank in 2 to 15 ft. They move out to 10 to 30 ft in summer and finish the year down in 3 to 20 ft. If you only fish one area, make it Deep basin: a deep basin around 30 ft that scores prime in summer. Best bite is early morning and the evening. A small spoon fished deep or a trolled lake-clear wobbler + worm is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Shallow bay flat (6 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Deep basin (30 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | open water | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Shoreline break (14 ft) | Small jigging spoon, Tungsten jig + plastic |
The chart marks 3 structure features on Teetzel L. 9; the deepest is Deep basin at about 30 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 Teetzel L. 9 specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Teetzel L. 9 is about 36 ft (11 m) deep at its deepest point. The depth data here comes from a transect sounding survey by the Ontario MNRF.
Anglers target brook trout on Teetzel L. 9.
Deep basin is the top-rated area: a deep basin in about 30 ft of water that rates prime for brook trout in summer. Open the map above to see every rated spot for each species and season.
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 Teetzel L. 9 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.
Teetzel L. 5 1 mi · Teetzel Lake 4 2 mi · Gurney Lake 13 3 mi · Pearce L. 11 5 mi · O'Brien Lake 7 6 mi · Lily Lake 6 mi · Bay Lake 6 mi · Gurney L. 8 7 mi · Gurney L. 7 7 mi · Guenette Lake 7 mi · Maxwell Lake 7 mi · Proulx Lake 8 mi
See how Teetzel L. 9 stacks up: best brook trout lakes in Ontario
More water nearby: Cochrane District fishing maps (673 charts). Browse all Ontario fishing maps. See every water on DepthScout. Bathymetry: published agency survey data. 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.