Search for multiple species of birds and wildflowers found in the Leadingham Prairie, or wade into the Mad River to catch a crawdad at this 165-acre nature preserve located at 3656 Spangler Road adjacent to the Estel Wenrick Wetlands. Nearly 2 miles of trails lead through the prairie, a new parking lot on the south side is surrounded by recently planted wet woods, and a walking path leads to the river’s edge.