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948-acre lake in Timiskaming District, Ontario. The lake tops out around 100 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. What the data behind the map says about each species, season by season:
On the chart, Midlothian Lake draws 957 acres inside 12.3 miles of shoreline — one island included. A development index of 2.8 means a maze of bays and points: far more casting targets than a round bowl of the same size. Littoral water — the productive band under ~15 ft — makes up 76% of this chart. Call it 2.3 mi long by 1.8 mi wide at the broadest reach. The water lies in Timiskaming District. The nearest mapped water is Strange Lake, 1 mi to the southwest.
In spring, lake trout run shallow here, mostly 10 to 40 ft. Summer pushes them deeper, 30 to 100 ft, and winter fish settle into 20 to 80 ft. Deep basin is the standout, a deep basin at roughly 100 ft, rated prime for summer lake trout. Time it for early morning. You won't need more than a white tube jig (deep) or a magnum spoon on downrigger most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Break off the point (9 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 30 to 100 ft | dawn | Deep basin (100 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Break off the point (9 ft) | Heavy casting spoon, Jigging rap over reefs |
| Winter | 20 to 80 ft | dawn | Break off the point (9 ft) | White tube jig, Airplane jig |
The spring pattern is a shallow one: northern pike in 2 to 8 ft. As the season builds they drop to 8 to 20 ft, wintering in 5 to 15 ft. Top water on the chart: Break off the point, a drop-off in the 9 ft range, prime in fall. Time it for early morning and the evening. Summer baits: a bucktail or a weedless spoon over cabbage gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (1 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Break off the point (9 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Break off the point (9 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Break off the point (9 ft) | Tip-ups, Large jigging spoon |
In spring, burbot run shallow here, mostly 25 to 70 ft. Summer pushes them deeper, 30 to 100 ft, and winter fish settle into 15 to 60 ft. Deep basin is the standout, a deep basin at roughly 100 ft, rated prime for summer burbot. Time it for after dark and midday. You won't need more than a heavy jig + cut bait most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 25 to 70 ft | night & dusk | Deep basin (100 ft) | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 30 to 100 ft | night & midday | Deep basin (100 ft) | Heavy jig + cut bait |
| Fall | 30 to 80 ft | night & dusk | Deep basin (100 ft) | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 15 to 60 ft | night & dusk | Break off the point (9 ft) | Glow tungsten + cut bait, Rattle spoon + minnow head |
Count 7 structure marks on this chart. The deepest, Deep basin, sits near 100 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 Midlothian Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Midlothian Lake is about 100 ft (30 m) deep at its deepest point. 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.
Anglers target lake trout, northern pike, burbot on Midlothian Lake.
Deep basin is the top-rated area: a deep basin in about 100 ft of water that rates prime for lake trout in summer. The map above holds the full rated-spot list for every species and season.
For lake trout, 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 Midlothian 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.
Strange Lake 1 mi · Bess Lake 1 mi · Mavis Lake 1 mi · Tory Lake 2 mi · Holbrooke Lake 2 mi · Wood Lake 2 mi · Weary Lake 2 mi · Sirola Lake 3 mi · Elizabeth Lake 3 mi · Ward Lake 3 mi · Seveninch Lake 3 mi · Roche Lake 3 mi
See how Midlothian Lake stacks up: best northern pike lakes in Ontario · best lake trout lakes in Ontario · best burbot lakes in Ontario
More water nearby: Timiskaming District fishing maps (515 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.