Public Sites
| State | County | Name |
|---|---|---|
| Iowa | Pocahontas | Laurens |
| Iowa | Pocahontas | Laurens Prairie |
| Colorado | Lake | Leadville |
| Iowa | Boone | Ledges State Park |
| Iowa | Lee | Lee County |
| Montana | Ravalli | Lee Metcalf National Wildlife Refuge |
| Iowa | Butler | Leeper Prairie Preserve |
| Florida | Manatee | Leffis Key |
| Iowa | Hardin | Legacy Wildlife Area |
| Iowa | Marshall | Legrand |
| Iowa | Cerro Gordo | Lekwa Marsh Wildlife Management Area |
| Iowa | Appanoose | Lelah Bradley Park |
| Iowa | Decatur | Leon |
| Kentucky | Ohio | Leon's Farm, Ohio County |
| Texas | Nueces | Leonabelle Turnbull Birding Center |
| Iowa | Pottawattamie | Lewis and Clark Park |
| Iowa | Monona | Lewis and Clark State Park |
| Iowa | Linn | Lewis Bottoms |
| Iowa | Linn | Lewis Bottoms Access County Park |
| Iowa | Ringgold | Liberty Lake |
| Iowa | Lee | Lillian Sutlive Walking Trail at River Hills Village, Keokuk |
| Iowa | Dickinson | Lily Lake |
| Iowa | Cerro Gordo | Lime Creek Nature Center |
| Iowa | Winneshiek | Lindeman Pond |
| Iowa | Van Buren | Lindsay Wilderness Area |