RAMBO (Roswell Alpharetta Mountain Bike Organization) is a chapter of IMBA/SORBA. Follow @rambomtbstatus for trail status. Visit https://t.co/yduTTZp1VS for more details. RAMBO is a mountain bike organization dedicated to developing and maintaining great mountain bike trails in the Roswell, Alpharetta, and North Fulton County areas. Roswell Alpharetta Mountain Biking Organization (RAMBO) is a volunteer group dedicated to developing mountain biking opportunities in Fulton and Forsyth counties. By fostering positive relationships with community leaders and land managers, it promotes outdoor recreation on sustainable trail systems built in an environmentally sound manner. RAMBO seeks to improve the region’s quality of life through activities and programs that engage with and encourage the wider community to enjoy mountain biking.