Mantua Bog State Nature Preserve


The Mantua Bog State Nature Preserve is a protected wetland in Mantua Township, Portage County in the U.S. state of Ohio. It was designated a National Natural Landmark in 1976 and a state nature preserve in 1990. The national landmark designation encompasses which includes Marsh Wetlands State Nature Preserve, in addition to Mantua Bog State Nature Preserve.
The nature preserve includes different types of wetlands including swamp forest, boreal bog, and cattail marshes. Twenty-four state-listed plants have been identified in the bog including autumn willow, bunchflower, and cranberry. In 2000, the Ohio Odonata Survey found a breeding population of the brush-tipped emerald dragonfly, a species not previously known to exist in Ohio.
Access is by permit only due to the sensitivity of the wetland.