Iowa
| Key | Name | Location | KMs | Features |
|---|---|---|---|---|
| 1 | Big Creek State Park | Polk City, IA | 5 | |
| 2 | Cedar Valley Nature Trail | Cedar Falls, IA | ||
| 3 | Decorah Trail System | Decorah, IA | 25 | |
| 4 | East River Valley Park/Carr Woods | Ames, IA | 4 | |
| 5 | Ellis Park Golf Course | Cedar Rapids, IA | ||
| 6 | George Wyth State Park | Waterloo, IA | 10 | |
| 7 | Iowa State University, Cross Country Course | Ames, IA | 6 | |
| 8 | Jester Park | Granger, IA | 15 | |
| 9 | Kent Park | Tiffin, IA | 10 | |
| 10 | Lime Creek Nature Center | Mason City, IA | 15 | |
| 11 | Macbride Nature Recreation Area | Iowa City, IA | 15 | |
| 12 | Matsell Bridge Natural Area | Viola, IA | 20.1 | |
| 13 | Mines of Spain Recreation Area | Dubuque, IA | 6.5 | |
| 14 | Morgan Creek Park | Cedar Rapids, IA | 3.2 | |
| 15 | Palmer Hills Golf Course | Bettendorf, IA | 4 | |
| 16 | Pilot Knob State Park | Forest City, IA | 8 | |
| 17 | Prairie Springs Trails | Cresco, IA | 10 | |
| 181818 | NewSac and Fox Trail | Cedar Rapids, IA | 6.8 | |
| 19 | Swiss Valley Nature Preserve | Peosta, IA | 6 | |
| 20 | Wanatee County Park | Marion, IA | 10 | |
| 21 | Wickiup Hill Trails | Toddville, IA | 8 |
| Legend | Trail Reports | Classic only trails | Lighted trails available | Snowmaking available |