Signs of recent volcanic activity in the region are displayed from the Escorial, a petrified 400 year-old river of lava, to Epulafquen or Lahuen Co Thermal Springs .
Curruhué Lake and Lahuen-co, Epulafquen thermal springs
By car - One day:One of the most complete tourist circuits from Lanín National Park, which has got forests with species of thousands of years old that grow on a river of solidified lava, and ends in a natural thermal spring when you reach Lahuenco, Epulafquen thermal spri