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Map/Lakes/Superior Country

Dorothy Lake

Surface area

98 ac40 ha

Max depth

29 ft8.8 m

Mean depth

10 ft2.9 m

Water type

Cool-water

Mgmt zone

FMZ 7

Shoreline

2.7 mi4.4 km

Boat launch

On the lakeLIO access points

Nearest road

0.1 miHIGHWAY 614

Depth map

Available

Dorothy Lake is the 2200th-largest of 4,241 named lakes in Superior Country, with 2.7 miles of charted shoreline. Its 29 ft maximum depth is greater than 23% of depth-surveyed lakes in the region.

Fish species

From MNRF aquatic resource surveys.

Lodges & operators0

No operators recorded on this lake yet. Know one? It may be listed under a nearby community — browse the map.

Seasons & limitsFMZ 7

SpeciesSeasonSport licenceConservation
Northern PikeOpen all yearS - 6, not more than 2 greater than 61 cm (24 in.), of which not more than 1 is greater than 86 cm (33.9 in.)C - 2, not more than 1 greater than 61 cm (24 in.), none greater than 86 cm (33.9 in.)
Walleye and Sauger or any combinationJan. 1 - Apr. 14 & 3rd Sat. in May - Dec. 31S - 4, not more than 1 greater than 46 cm (18.1 in.)C - 2, not more than 1 greater than 46 cm (18.1 in.)
Yellow PerchOpen all yearS - 50C - 25

Compiled from MNRF Recreational Fishing Regulations open data (2026 season, zone-wide rules shown for this lake's species). Regulations change by variation order — confirm with the official FMZ 7 summary before you fish.

Consumption advisories

Recommended meals per month from Ontario's fish contaminant monitoring — ranges span the tested fish sizes.

SpeciesGeneralSensitive*Cause
Northern Pike4–80–4Mercury
Walleye2–4Do not eatMercury

*Women of child-bearing age and children under 15. Compiled from the MECP Guide to Eating Ontario Fish (2025 guide) — check the guide for size-specific advice before keeping fish.

Similar water

Same region, overlapping species, comparable size.

Nearby lakes