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Map/Lakes/Southern & Central Ontario

Thompson Lake

Surface area

197 ac80 ha

Max depth

50 ft15.2 m

Mean depth

19 ft5.8 m

Water type

Warm-water

Mgmt zone

FMZ 18

Shoreline

5.2 mi8.3 km

Nearest road

0.2 miTHOMPSON LAKE LANE

Depth map

Available

Thompson Lake is the 687th-largest of 4,097 named lakes in Southern & Central Ontario, with 5.2 miles of charted shoreline and 6 islands. Its 50 ft maximum depth is greater than 66% of depth-surveyed lakes in the region.

Fish species

From MNRF aquatic resource surveys.

Also present: Bluegill, Pumpkinseed, Rock Bass, Spottail Shiner, White Sucker

Lodges & operators0

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

Seasons & limitsFMZ 18

SpeciesSeasonSport licenceConservation
Largemouth and Smallmouth Bass or any combination3rd Sat. in June - Dec. 15S - 6C - 2
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 18 summary before you fish.

Similar water

Same region, overlapping species, comparable size.

Nearby lakes