RIO PERDIDO is in Guanacaste, 60 minutes southeast of Liberia's international airport, near the base of the Miravalles Volcano. Regional attractions include Rincon de la Vieja Volcano and Palo Verde National Park. The centerpiece of the 600-acre private reserve is a unique THERMAL RIVER that runs for over a mile along the base of a rocky gorge. Visitors access the hot river by descending stone stairwells and trails. There are a couple of dozen untouched river pools to swim in. The ARCHITECTURALLY AWARDED restaurant has sweeping terraces that afford views of the canyons, volcanoes and the Miravalles dwarf forest. There is a full-service spa, a bar/lounge, and 3 hot mineral pools with floating sun decks and wet bar. There are 15 miles of hiking and biking trails. Breakfast, wireless internet and guest parking are complimentary. The staff can provide 24 hours concierge services, tour/ticket assistance and wedding services.