Only the mapped Maryland portions are shown. Mileage is estimated from those lines, including mapped branches, and may differ from an official trail length. Disconnected lines are not instructions to cross unmapped land.
This route comes from community-maintained map data. Access, trail condition, difficulty, seasonal restrictions, and the route’s continuity have not been independently verified. Follow current official maps, signs, and closures.
Parks along the mapped route.
Links indicate a mapped boundary overlap, not confirmation that the park manages every segment.
New electronic entry gate in use.Starting Friday, May 1, 2026, the new electronic entry gate at Greenbrier State Park will be in use. Visitors will use this gate when the toll booth is unmanned. The gate only accepts credit card. If you currently hold a Maryland Annual State Park and Trail Passport, a Maryland Golden Age Pass, or a Maryland Universal Disability Pass or are in the military or a veteran, please reach out to the park for instructions on how to receive a gate pass. Campers will receive gate instructions upon checking in for their reservation.A temporary closure is now in effect for a portion of the Big Red Trail on the west side of Greenbrier Lake due to dam infrastructure improvements. The section of trail along the backside of the lake will be closed for walking and the dam area will be inaccessible for boating and fishing. Visitors should follow posted signage and use alternate trail routes until work is complete.