Backbone is a beautiful place for a family picnic. Several open shelters and the auditorium may be reserved online through the park reservation system. Constructed by the Civilian Conservation Corps, the stone lodge overlooking the lake may be rented for a number of events including family reunions, weddings and other large gatherings. The lodge may be rented online at park reservation system. Backbone Concessions handles the lodge operation. Backbone has 21 miles of hiking and multi-use trails. Visitors can hike along trails winding through old twisted and windblown cedars and up rough, rocky staircases to one of the highest points in northeast Iowa, the "Devil's Backbone."