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13-acre lake in Cochrane District, Ontario. The lake tops out around 58 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 the Ontario MNRF survey of 1975, a decades-old survey (an MNRF lake survey). The season-by-season read for each species follows, from the map's own numbers.
The drawn water covers 13 acres wrapped in 0.7 miles of bank. At index 1.4 the outline is almost a bowl — read the depth changes, not the shoreline. The shallow band under 15 ft claims about 38% of the surface — that's where the groceries are. Call it 0.3 mi long. It sits in Cochrane District. If the bite dies, Flipper L. is 1 mi to the southeast.
When the water first warms, brook trout slide up into 2 to 15 ft. By summer they slide out to 10 to 30 ft, and by winter most fish are in 3 to 20 ft. If you only fish one area, make it Main-lake point: a point around 10 ft that scores prime in spring. In summer the feeding windows fall in 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 (10 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Break off the point (39 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (10 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | open water | Small jigging spoon, Tungsten jig + plastic |
Structure-wise the chart holds 3 features, led in depth by Deep basin at roughly 40 ft.
Access data: Geospatial Ontario - Fishing Access Points. Confirm conditions and fees locally before you launch.
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 Packsack L. specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Packsack L. is about 58 ft (18 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1975, a decades-old survey (an MNRF lake survey).
Anglers target brook trout on Packsack L..
Main-lake point is the top-rated area: a point in about 10 ft of water that rates prime for brook trout in spring. The map above holds the full rated-spot list for every 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 Packsack L. 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.
Flipper L. 1 mi · Dungg L. 3 mi · Trusz L. 4 mi · Marathon Lake 5 mi · Mary L. 5 mi · Mirky L. 6 mi · Cooke L. 6 mi · Marilyn L. 6 mi · Anne L. 7 mi · Lake 12L-17 7 mi · Lake 12L-12 8 mi · Lake 12L-11 8 mi
See how Packsack L. stacks up: best brook trout lakes in Ontario
More water nearby: Cochrane District fishing maps (673 charts). Browse all Ontario fishing maps or 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.