Oak Openings Preserve Metropark is the largest of the Toledo Area Metroparks. It is a nature preserve located between Whitehouse, Ohio and Swanton, Ohio and is part of the Toledo Metroparks. It is located southwest of the Toledo Express Airport, and contains sand dunes and several rare plant species. Most of the park is an oak savanna ecosystem, characterized by alternating wetlands and vegetated dunes. The park hosts the Beuhner Center, a unique, interactive nature center, and frequent scout camping. There are over fifty miles of trails in Oak Openings Preserve.