All ages are invited to a Falling Leaf Walk at 4:30 p.m. Oct. 2 at Steyer Nature Preserve.
Walk the trails and look at the beauty of autumn. No registration is required.
A stream quality monitoring program is set for 10:30 a.m.-12:30 p.m. Sept. 28 at Wolf Creek Canoe Launch, 2409 S. SR 53, Fremont.
Discover the health of the Sandusky River by searching for the critters that live in it.
Register by calling (419) 334-4495.
Hands-On Nature: Autumn Celebration Open House is planned 1-4 p.m. Sunday at Phillips Discovery Center at Oakwoods Nature Preserve.
A hike is to take place at 2 p.m. Activities are to include all things fall-related.
The center is at 1400 Oakwoods Lane, west of Findlay.
Wee Ones ages 3 and younger with an adult companion are to have a fall-themed program on apples at 10 a.m. and 1 p.m. Monday at the Discovery Center. Other-aged siblings are welcome.
Children can see and sample types of apples.
A grand opening of the park district's storm water management demonstration area is 1-3 p.m. Sept. 28 at Lowe-Volk Park, 2401 SR 598, Leesville.
The project provides landowners with best practice examples for storm water management and shows how to improve water quality.
For more details, go to www.crawfordparkdistrict.org.