Cerro Arenas is probably one of the most iconic mountains in the Cajón del Maipo, thanks to its striking and unique rock formation, which makes it instantly recognizable to anyone familiar with the area.

At 4,366 meters in elevation, it is located in the Arenas Valley, now private property managed by Parque Arenas, in San José de Maipo.

Rocky Fork State Park is 2,076 acres of scenic wilderness in Unicoi County, in the southern Appalachian Mountains of East Tennessee and is part of the Rocky Fork watershed.  It borders the Appalachian Trail near Devil's Fork and has about 20 miles of runnable trail with the park boundary.  The park is approximately 30 minutes from both Johnson City, TN and Asheville, NC, and 10 miles from Erwin, the county seat.  The Friends of Rocky Fork State Park have a challenge to hike all the trails within the park over any timeframe.  To hike or run all the trails consecutively in one effort, you hav