Grinnell College Nature Area is a 130-acre conserved space in Grinnell, Iowa, offering accessible trails and diverse habitats for hiking, birdwatching, and outdoor education.
The Grinnell College Nature Area covers approximately 130 acres located on the southeastern edge of the Grinnell College campus in Poweshiek County, Iowa. This protected space features a mixture of prairie, woodland, and wetland habitats that support a wide range of native plants and wildlife, including several species of grassland birds and amphibians. The area lies within the temperate ecological region characterized by rolling hills and fertile soils, which historically supported tallgrass prairie and oak savanna ecosystems. Established and maintained by Grinnell College, the Nature Area serves both as a natural laboratory for students and a public space for recreation and environmental education. Visitors can explore more than six miles of well-maintained hiking trails that meander through varied terrain, showcasing spring wildflowers, bird nesting areas, and seasonal wetland pools. Signage along the trails provides information on local ecological features and conservation efforts. The Nature Area is often used for field research, classes, and community events, emphasizing sustainability and natural resource stewardship. Its proximity to the Grinnell campus makes it a convenient outdoor resource for residents and visitors alike, offering peaceful walking paths and opportunities for wildlife observation throughout the year. The area's commitment to preserving native prairie plants and wildlife habitat contributes to regional conservation goals and provides a valuable green space in a largely agricultural landscape.
Oak savanna restoration area supporting native prairie species
A diverse network of accessible hiking trails with educational signage
Wetland habitat providing seasonal amphibian and bird watching opportunities
Wildflower blooms in spring and summer, ideal for nature photography
This section features restored oak savanna habitat with native grasses and wildflowers, supporting pollinators and songbirds.
Temporary pools form in low-lying areas during wetter months, providing breeding sites for frogs and salamanders.
A scenic trail winding through reconstructed prairie, showcasing Iowa’s native grassland ecosystem.