The Costa Rica Rincon de la Vieja National Park is a tract of rugged wilderness that spans an incredible area of over 34,000 acres. Exploring this park on foot can quickly get quite tiring, so consider taking a horseback tour to check out the natural wonders it contains. When you explore the Costa Rica Rincon de la Vieja National Park, you’ll see cool waterfalls, geysers, mud baths, hot springs, volcanoes, and much more.