The Ocmulgee Mountain Biking Association (OMBA) is the Middle Georgia chapter of the Southern Off-Road Bicycle Association (SORBA).  OMBA is a 501C3 non-profit whose purpose is to promote mountain biking in the middle Georgia areas including Macon, Warner Robins, and Milledgeville. Our team of volunteers maintain trails and host cycling and social events for beginners as well as advanced rider