Custer Country Southeastern Montana Birding Trail :

1. Roundup River Walk Heritage Trail
   
2. Lake Mason National Wildlife Refuge
3. Rehberg Ranch Estates Billings City Park
4. Lake Elmo State Park
   
5. Pictograph Cave State Park
6. Chief Plenty Coups State Park
7. Pompeys Pillar National Monument
   
8. Howrey Island Recreation Area and Nature Trail
9. Pirogue Island State Park
10. Matthews Recreation Area
11. Terry Badlands Wilderness Study Area
12. Makoshika State Park
13. Medicine Rocks State Park
14. McNab Pond
15. Black's Pond