Guide Low Ropes challenge course activities for your Girl Scouts! Course completion allows volunteers to independently use the low ropes courses on council properties. Low Ropes challenge courses build teamwork, communication, trust, and mutual support within a troop or group. A challenge course is a fun and memorable outdoor activity for Girl Scout friends. This is a 4-5 hour on-site course. The training covers instruction and practice time on each element, a course inspection checklist, spotting skills, and facilitation skills.