Riveredge Nature Center features 10 miles of trails. Runners can enjoy open prairies, quiet forests, and a few ponds along the Milwaukee River. Established in 1968 as the first independent nature center in southeastern Wisconsin, Riveredge Nature Center is open weekdays from 8:30 a.m.–4:30 p.m., Saturdays from 9 a.m.–4 p.m., and closed Sundays.