Spring Gap is an unincorporated community in Allegany County, Maryland, United States. Spring Gap is located in the Potomac Valley along the Chesapeake and Ohio (C&O) Canal at mile marker 173 where it meets with the Spring Gap Recreational Area. This park offers camping sites and a place to relax for hiker-bikers of the C&O tow path. In additional, the park is easy to access by car and proves canoe access to the Potomac River. The Spring Gap Recreation Area is a popular location to pick-up, drop-off, or park when hiking or biking the C&O canel tow path to or from Cumberland, Maryland. Some of the best fishing in the Potomac River is in the section from Spring Gap to Hancock. Running nearby the C&O canel is the CSX main rail line to Cumberland and Route 51.