Hiking through Chile's Carretera Austral08/15/2016August 15, 2016Steve Hänisch hitchhikes from Puyuhuapi to Puerto Rio Tranquilo. The highlights of this leg are the trek to the 2675-meter Cerro Castillo and a boat trip out to the marble caves in the middle of General Carrera Lake.Copy linkGeneral Carrera LakeImage: DWAdvertisementHiking through Chile's Carretera Austral03:32This browser does not support the video element.