Flatirons Foothills

A five-stop loop through Chautauqua Park — the three clues at the historic dining hall, the geology wall, and the First Flatiron viewpoint together hint at the 1898 Auditorium at the park's cultural heart. From there, the trail climbs to the iconic Royal Arch trailhead, where Boulder's most famous s

Hunt area & geofence

Circles show each stop's check-in zone. Clue text is kept hidden until you start.