Rincón de la Vieja National Park is located in the Guanacaste province of Costa Rica. Established in 1973, the park covers over 34,000 acres and is known for its diverse ecosystems, including tropical dry forests, cloud forests, and volcanic landscapes. The park is home to the active Rincón de la Vieja Volcano, which features fumaroles, hot springs, and mud pots. Visitors to the park can enjoy various activities such as hiking, birdwatching, and wildlife observation. The park is inhabited by numerous species, including howler monkeys, jaguars, and over 300 bird species. Its natural beauty and geothermal features make it a popular destination for eco-tourism.