Big Run Bog
Big Run Bog, located within the Monongahela National Forest, contains a relict Pleistocene high-altitude northern sphagnum-red spruce bog that is far south of its normal range. It harbors large numbers of rare plants and animals.
Year designated: 1974
Please remember, National Natural Landmarks (NNLs) are not national parks. NNLs are owned by a variety of public and private entities and allowing visitation is at their discretion. Many NNL sites maintain public websites where additional information may be found.