PetVet

Treecourt Unleashed Dog Adventure Park

Off-leash dog park in St. Louis, MO

Rated excellent on aggregator sites for cleanliness and management.

Treecourt Unleashed Dog Adventure Park

Photo: Yelp user photo

About the park

Treecourt Unleashed Dog Adventure Park is a members-only off-leash dog park in Kirkwood area, with about 9 acres for dogs to run. Regulars come for the roughly 9 to 11 fenced acres, shaded walking trails, and open running space.

It is a membership park: around $45 per month, monthly or quarterly plans. Rated excellent on aggregator sites for cleanliness and management.

Roughly 9 to 11 fenced acres · shaded walking trails

Open running space, water stations, and spring fed pond.

What you'll find

  • Roughly 9 to 11 fenced acres
  • Shaded walking trails
  • Open running space
  • Water stations
  • Spring fed pond
  • Picnic tables and benches
  • Views of Simpson Lake

Before you go

  • Current vaccinations
  • Temperament evaluation before joining

What dog owners say

Community commentary from public reviews, not PetVet native ratings.

Rated excellent on aggregator sites for cleanliness and management.
  • Reddit users describe it as huge with lots of space to run and never too crowded
  • Members credit the temperament testing for a relaxed atmosphere
  • Recommended for high energy breeds that find one acre parks cramped

Good to know

  • Membership is pricier than neighborhood parks

Nearby Animal Clinics

Treecourt Unleashed Dog Adventure Park asks for vaccination paperwork, and a quick wellness visit gets your dog park-ready. These nearby clinics can help.

Details last verified July 9, 2026. Parks change, so check the official site before a long drive.

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