Marsh Wetlands is part of the Mantua Swamp region which was designated as a National Natural Landmark in 1976 by the U.S. Department of the Interior. This preserve, dedicated in 1990, is an emergent marsh along the Upper Cuyahoga State Scenic River.

• Emergent marsh
• Wildlife viewing
• No visitor facilities are present

Active beaver lodges are present. Excellent habitat for waterfowl as well as numerous other wetland species of both plants and animals.

Located east of Mantua in Portage County. Proceed east on Mennonite Road from OH-44. The preserve is west of Peck Road (County Road 167) and south of Mennonite Road (Township Road 256). There is a parking area along Peck Rd. / Co Hwy 167, see attached Google map.

The Headwaters Trail runs east-west along the northern boundary of the preserve.