Part 2 of our March 2018 return to Patagonia to explore and hike the Aysén region between Coyhaique and Cochrane in Chile. This part covers our brief stop in Puerto Rio Tranquilo, time spent in Villa Cerro Castillo, and an overnight backpacking trip in Cerro Castillo National Park. Follow along as we recount our trek to famous Laguna Cerro Castillo and the beautiful New Zealand camp.