The volcano is located in the Central Conservation Area located in the Alajuela Province near the Pacific coast of Costa Rica, which encompasses the area around the Poás Volcano. The main crater is wide and is quite active with frequent small geyser and lava eruptions, however the last major eruptions were during 1952-54. Two more craters make up parts of the park, the extinct Von Frantzuis crater and the Botos crater. Lake Botos is a beautiful cold, green water crater lake with a diameter of . The Botos crater has not erupted for about 7,500 years. Well-marked trails lead to the two inactive craters, conditions permitting.