In the 1950s a large area of land north of Taupo suddenly began to get hot and emit steam. Craters of boiling mud emerged, along with other geothermal phenomena. And so the Craters of the Moon was born. The event was triggered by the lowering of underground water pressure by a nearby geothermal power station. Superheated water rose to the surface, escaping through any vent it could find. Wooden walkways have been constructed to protect visitors from the heat of the soil. These are regularly moved as new vents emerge. The tracks lead to several viewing platforms on the edge of large craters. From here the relentless power of the earth's fiery core becomes truly apparent. Clouds of slightly sulphurous steam swirl all around you.