This four-day climbing, trail running, and mountain biking event at City of Rock National Reserve and Castle Rocks State Park in Almo, Idaho is not about competition, but instead celebrating these outdoor adventures in community. At the festival, outdoor enthusiasts will have the chance to enjoy the classic granite rock climbing and peaceful trail runs while socializing with new and old friends. Festival runs September 25–28. Camping is available inside Castle Rocks State Park and various meals, clinics, and contests are included in admission. There’s open climbing available at City of Rocks and Castle Rocks along with 2-hour, 6-hour, and 12-hour trail races. idahomountainfest.com