State Forest
Grass Lake State Forest Campground
Thompsonville, MI
Verify with the state park system
State parks set their own rules and reservation systems. Fire bans, road closures, and operating dates change seasonally — check the state park website before traveling.
Pricing
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Official sources & verification
Managed by State Forest
Reserve or permit
- Reserve a site
Book a site directly with the operator.
Verify by phone or mail
- Address:Thompsonville, MI
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Amenities
Flush Toilets
Potable Water
Sewer Hookups
Accessible
Picnic Tables
Fire Rings
Trash Service
Cell Service
Pet Policy
Pets allowed on leash
Campground Rules
- Campfires generally permitted — verify current fire restrictions before lighting
Within ~30 miles
Trails near Grass Lake State Forest Campground
Lake Dubonnet Loop
Michigan
2.6 mi240 ftgain
TrailEasy
Platte River
Michigan
7.2 mi394 ftgain
TrailModerate
Lake Ann Loop Trail
Michigan
3.2 mi338 ftgain
TrailModerate
Ransom Lake Loop
Michigan
3.2 mi377 ftgain
TrailModerate
Lost Lake and Dubonet Loop
Michigan
6.3 mi413 ftgain
TrailModerate
Betsie River Paddle Route
Michigan
7.8 mi942 ftgain
TrailDifficult
Nearby Campgrounds
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