The Southwest Idaho Mountain Biking Association (SWIMBA) is a 100% non-profit, volunteer organization dedicated to building and preserving a world-class, multi-use trail network in Southwest Idaho. Since the early 1990s, SWIMBA has been enhancing SW Idaho™s trail recreation experience by: Investing funds for new trail construction. Money talks! SWIMBA recently provided over $18,000 in direct funding for trail construction in the Boise Foothills, including Watchman, Fat Tire Connector, Seaman™s Gulch, Rock Island and Shafer Butte trails. Educating riders about proper trail etiquette. This work is crucial to our future! We work with Ridge to Rivers and other agencies to develop signage and other printed materials for promoting proper trail etiquette. Educational materials are publicized through the SWIMBA web site, Public Service Announcements, media appearances and direct contact with riders and hikers in the foothills. SWIMBA has provided more than $3,000 for trail signs and literature promoting responsible trail use. You can see the signs on the edge of popular trails.