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Mantua Bog State Nature Preserve

Preserving 104.8 acres in Portage County

Mantua Bog was designated as a National Natural Landmark in 1976 and as a state nature preserve in 1990. It is composed of groundwater fed wetlands known as fens at the base of sand and gravel kames. Among the 24 state-listed plants reported from this preserve are bunchflower (Melanthium virginicum), small cranberry (Vaccinium oxycoccos), bog bedstraw (Galium labradoricum), and autumn willow (Salix serissima). Typical fen species such as shrubby cinquefoil (Dasiphora fruticosa), Canada burnet (Sanguisorba canadensis), grass-of-parnassus (Parnassia glauca) and poison sumac (Toxicodendron vernix) also flourish here. In addition, the state endangered brush-tipped emerald, a dragonfly, has been documented.

Local Directions

Located in Mantua Township, Portage County. Due to the sensitivity of the wetland community, access to Mantua Bog State Nature Preserve is by permit from the Division of Natural Areas and Preserves.

Preserve Access Permit

Special Features

  • National Natural Landmark
  • 24 state-listed plants reported
  • State endangered dragonfly, the brush-tipped emerald, documented

Facilities

Observation Area


  • Unimproved trail
  • Observation deck

Tell Your Preserve Story