Hayden Prairie State Preserve
| Hayden Prairie State Preserve | |
|---|---|
Map of Iowa | |
| Location | Howard County, Iowa |
| Nearest city | Chester |
| Coordinates | 43°26′22″N 92°22′59″W / 43.4395°N 92.3831°W |
| Area | 240 acres (97 ha) |
| Established | 1945 |
| Governing body | Iowa Department of Natural Resources |
| Designated | 1965 |
The Hayden Prairie State Preserve is a 240-acre (97 ha) tallgrass prairie located in Howard County, Iowa. It is a National Natural Landmark managed by the Iowa Department of Natural Resources. Located close to the northern border of the state of Iowa, the nearest towns are Chester and Lime Springs.