Reserva Nacional Radal Siete Tazas
The upper basin of the Río Claro marks the beginning of the ecological transition between the drought-tolerant Mediterranean vegetation to the north and the moist evergreen forests to the south. Here, 78km southeast of Curicó along a narrow gravel road, lies the Reserva Nacional Radal Siete Tazas.
Río Cochamó Valley
With its impressive granite domes rising above the verdant canopy and colossal alerce trees dominating the rainforest, some tout the spectacular Cochamó Valley as the Chilean Yosemite. It's near here where the glacial waters of the Lakes District give way to the saltwaters of the 80km Estero de Reloncaví, a fjord that forms the gateway to Northern Patagonia.
Reserva Nacional Cerro Castillo
Cerro Castillo's basalt spires are the crowning centerpiece of Reserva Nacional Cerro Castillo a sprawling 1800-sq-km mountain reserve of southern beech forest, 75km south of Coyhaique. The park boasts fine fishing and hiking, along with little foot traffic. Its namesake, the 2700m triple-tier Cerro Castillo, is flanked by three major glaciers on its southern slopes.