The Quantico Mountain Bike Club (QMTB) is a registered 501(c)(3) non profit organization that exists to promote the sport of mountain biking aboard Marine Corps Base Quantico, VA, the surrounding areas, and provide opportunities for group recreational rides. The club also works closely with Quantico’s Natural Resources and Environmental Affairs Branch to maintain and improve the main side and 6C trail systems. QMTB is open to active duty, retired and former service members, their dependents, and civilians from the surrounding area.