2 Best Sights in Parque Nacional Villarrica, The Lake District

The main draw of this popular 610-square-km (235-square-mile) national park, which has skiing, hiking, and many other outdoor activities, is the volcano. Happily, you don't need to have any climbing experience to reach the 3,116-meter (9,350-foot) summit, but a guide is a good idea. The volcano sits in the park's Sector Rucapillán, a Mapuche word meaning "house of the devil." That name is apt, as the perpetually smoldering volcano is one of South America's most active. CONAF closes off access to the trails at the slightest hint of volcanic activity deemed out of the ordinary. It's a steep uphill walk to the snow line, but doable any time of year. All equipment is supplied by any of the Pucón outfitters that organize daylong excursions for about 100,000 pesos per person. Your reward for the six-hour climb is the rare sight of an active crater, which continues to release clouds of sulfur gases and explosions of lava. You're also treated to superb views of the nearby volcanoes, the less visited Quetrupillán and Lanín.

Chile's first private nature preserve, this park hosts one of the last remaining, extensive araucaria forests, a magnificent tree species that can live up to 2,000 years and that is oft nicknamed "monkey puzzle" because of its tangled branches that swirl around its treetop. With about 500 hectares (1,235 acres) altogether, this is simply one of the best treks in southern Chile. The hike to El Cañi's highest ground (1,600 meters), called Mirador Melidekiñ, is a three- to four-hour steep climb but rewards you with an awesome view of four volcanoes. Guides are not necessary for the trails, and there are camping sites and a refugio for overnight stays (4,000 pesos). Located about 20 km (12 miles) east of Pucón, the park is accessible via the road to Lago Caburgua (take the turnoff at Km 14). Then turn on the paved road with the sign "Termas Huife" and drive until you reach El Cañi. It is also possible to arrive by bus.