Appalachian Trail:
The Appalachian Trail is a footpath across 2,168 miles of Appalachian Mountain ridgelines from Georgia to Maine. Almost 40 miles of the A.T., as it is affectionately known, cross Maryland, most of which follow the ridgeline of South Mountain.

1. Big Run State Park
2. Casselman River Bridge State Park
3. Cunningham Falls State Park
4. Dan's Mountain State Park
5. Deep Creek Lake Natural Resource Management Area
6. Deep Creek Lake State Park
7. Fort Frederick State Park
8. Gambrill State Park
9. Gathland State Park
10. Greenbrier State Park
11. Herrington Manor State Park
12. Monocacy River Natural Resource Management Area
13. New Germany State Park
14. Rocky Gap State Park
15. ​ Sang Run State Park
16. Sideling Hill Creek State Park
17. ​ South Mountain Battlefield
18. South Mountain State Park
19. Swallow Falls State Park
20. Washington Monument State Park
21. Youghiogheny Wild River Natural Environmental Area
22. Western Maryland Rail Trail
23. Woodmont Natural Resource Management Area
24. Wolf Den Run State Park