April 18, 2026 O’Fallon Park Cooperative Trail Build — Start rime at the O’Fallon YMCA parking lot is 8:45 am.

The OTA will be teaming up with other organizations such as the Sierra Club, OpenSpaces and the City of St. Louis Parks Dept

to wok on additional new trails in O’Fallon Park just behind the O’Fallon YMCA.

The OTA will supply all tools and volunteer safety equipment and tools.  We’ll also have cold drinks and snacks available for volunteers.

Volunteers should wear long pants, shirts and sturdy hiking shoes/boots.  Bring at least 2 liters of water.