Treecourt Unleashed Dog Adventure Park | Dog Park | (Registration Required)
Address: 2499 Marshall Rd, St. Louis, MO 63122
Submitted by James W.Updated at Apr 20, 2026
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Website: http://treecourtunleasheddogadventureparks.com/
- Off-Leash Allowed
- Puppy-Friendly
- Shared Area for All Dog Sizes
- Large Running Area
Covering 14 acres beside Simpson Lake, this registration-required park asks that dogs pass a vet check before joining. Large trees keep things shaded and cool through summer, and the well-kept grounds have distinct areas for play and rest. Wildlife sightings — eagles and herons among them — are a regular part of the experience thanks to the lake nearby.
Amenities
- No Parking Lot
- No Dog Waste Bags
- No Trash Cans
- No Restrooms
- Has Benches
- No Water Fountains
Environment
- Has shade
- Grassy Area
- Fenced Area
- Has Outdoor Park
- No Indoor Park
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