18335 135th St. Iowa Falls, Iowa 50126
Official WebsiteCalkins Nature Area is a truly unique asset to Hardin County. Located between Iowa Falls and Alden, Calkins Nature Area boasts a first rate nature center of over 6,000 square feet which greets you as you enter 76 acres of rolling hills, nestled up to the banks of the Iowa River. Admission is free to the public.
Restrooms on site
Roadside viewing
Wheelchair accessible trail
Entrance fee
Content from Official Website
Last updated August 4, 2023