The 185 mile long Chesapeake & Ohio Canal bike path connects to the 150 Great Allegheny Passage bike path, giving a 335 mile long bike-only trail between D.C. a

The 185 mile long Chesapeake & Ohio Canal bike path connects to the 150 Great Allegheny Passage bike path, giving a 335 mile long bike-only trail between D.C. and Pittsburgh.