The Cuyahoga River's watershed extends south to Stark County. While the infamous fire of 1969 has faded, the river is still troubled, but efforts both natural and beautiful are underway to turn the tide.

An obstacle course amid the treetops, miles of mountain bike trail and a mysterious 130-year-old rock? We've got that and then some: Fresh Water Cleveland has rounded up ten of the Metroparks' best hidden gems, quirky trails and thrilling courses.