Indian Flats is a hiker-biker campsite located at Mile 42. 5 along the Chesapeake & Ohio Canal in Frederick County, Maryland, offering free, first-come, first-served camping with a one-night stay limit.

The site features a chemical toilet, picnic table, fire ring, and non-potable well water (available mid-April to mid-November); visitors should plan to filter, treat, or boil water before use.

The campsite is situated 1-5 miles from the nearest parking area along the scenic 184. 5-mile canal towpath, making it ideal for hikers and cyclists exploring the Potomac River corridor.