An eruption of the volcano in 1610 forced inhabitants of León, in the Spanish Empire, to relocate about 48 kilometres (30 mi) west.

[3] The mountain is very symmetrical, and its form is a symbol of Nicaragua, cropping up in locations from matchboxes to revolutionary murals.

[citation needed] A major geothermal field is located on the southern flank of the volcano.

To climb the mountain, with a permit, cross through the geothermal powerplant and follow an easily marked trail through the treeline.

Due to the active nature of the volcano, as well as the threat of landslides, the route from the treeline to the top is constantly changing.