National Park Hike With our bilingual naturalist guide, you'll walk 3.5-km (2 miles) in Las Pailas circular path through the tropical forest to enjoy the best views of the volcano, incredible nature, volcanic activity, and wildlife. The park is home to more than 300 species of birds, and many other animals, such as armadillos, bays, iguanas, coatis and white-faced monkeys, howler monkeys, spider monkeys, toucans, turkeys, and much more. You will stop to view the volcanic activity including bubbling mud pots, fumaroles, and a mini crater. The Las Pailas sector spectacularly shows the power of the Rincon de la Vieja volcano, the most active and largest volcano in Guanacaste, Costa Rica. Steam and sulfur come from natural fumaroles of the yellow and rusty soil. Witness clay pails in various shades of brown with boiling volcanic water, fine gray volcanic mud bubbles and explosions in large pails. This volcano is like no other in Costa Rica.

Then enjoy a walk Oropendola Waterfall and take a swim in its outstanding blue pool. After that, prepare yourself to partake in the hot springs and relaxing volcanic mud baths. The package also includes a delicious buffet lunch at Hacienda Guachipelin Restaurant.

Hot Springs & Volcanic Mud Bath. After lunch you will be driven to the Hot Springs. Surrounded by tropical dry forest, the Río Negro (Black River) Hot Springs feature ten pools with thermal waters heated naturally by the Rincón de la Vieja Volcano.The soothing mineral waters are crystal clear and all natural. Relax and enjoy luxuriating in our healing waters. You can also try our volcanic mud “bath”, where you smooth volcanic clay mud on your body!