Thompson Lake (St. Joseph County)

St. Joseph County, Michigan

Thompson Lake is in St. Joseph County, about 4 miles from Sturgis. It is a small lake of roughly 150 acres with a public boat ramp.

Air temp Not available right now.

Map data © OpenStreetMap contributors.

Current air temperature at Thompson Lake (St. Joseph County) (National Weather Service) ↗

Surface area148 acres

Max depth30 ft

Shoreline—

Boat motorsCheck local rules

Species

Fishery rating out of 5.

Boat launches

2 launch sites. Fees and hours change, so confirm before you go.

Thompson Lake public rampRamp
Public boat ramp and water access listed by Michigan DNR, off Robin Lee Ln near Sturgis.Directions ↗
More public accessPublic
See the Michigan DNR or lake website for all ramps and feesDirections ↗

Size & creel limits

Minimum size and daily limit for each species in Thompson Lake (St. Joseph County) are published by the state. Look up the current size and creel limits for this lake directly: Michigan Department of Natural Resources ↗

Rules change, so confirm current limits with the Michigan Department of Natural Resources before you fish.

Bait & tackle nearby

No shops listed yet for this lake. Use the search link below.

Search more bait shops near Thompson Lake (St. Joseph County) ↗

Local tips

Use the public ramp off Robin Lee Ln near Sturgis.
The lake reaches about 30 feet deep, so fish the deeper basin in summer heat.
Check the 2026 Michigan fishing regulations before you go.

View on interactive map

Zoom and pan on a street, satellite or terrain map. Red pins are boat launches.

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Always wear a life jacket and check your state's current regulations before you fish.