Trees torching at the High Park Wildfire on the Arapaho and Roosevelt National Forests and Pawnee National Grassland on Thursday, June 17, 2012. Tree torching occurs when a group of trees "torch" or go up in flames. The High Park Wildfire located approximately 15 miles west of Fort Collins, CO has consumed over 65, 738 acres of forest and grassland with approximately 189 homes destroyed. Over 1,773 personnel from the U.S. Forest Service (FS), state and local resources are fighting the wildfire and have achieved 55% containment as of June 20, 2012. The High Park Wildfire began on June 9. 2012 because of a lightening strike on private land. U.S. FS photo.