Cerro Castillo National Reserve is located in the Aysén Region of Chile, covering approximately 1,500 square kilometers. Established in 1989, it is known for its stunning landscapes, including rugged mountains, glacial lakes, and diverse ecosystems. The reserve is home to various wildlife species, such as the endangered Andean condor and the Huemul deer. Visitors to the reserve can enjoy numerous outdoor activities, including hiking, camping, and birdwatching. The most popular trekking route leads to the iconic Cerro Castillo, a striking mountain that resembles a castle. The reserve's natural beauty and rich biodiversity make it a significant destination for nature lovers and adventure seekers.