Once the site of Osborn Prison Honor Farm, this 172-acre park offers a diverse wildlife habitat in an urban setting. Shelters, meeting rooms, two playgrounds, tennis and pickleball courts, soccer fields, disc golf course, horseshoes, birding, hiking trails, leashed dogs permitted, reservable shelters, outdoor fitness equipment, and Children's Forest. Metropark dog park, an off-leash dog park, near the Maple Grove Center on Hull Rd. Year-round, daily 8 am-dusk.

Osborn MetroPark