Horomatangi
Horomatangi Reef is a pristine geothermal system on the bed of Lake Taupo.
Natural features
The Horomatangi Reef overlies an underwater geothermal system on the bed of Lake Taupo, with two distinct hydrothermal vent areas producing hot water and gases.
Hydrothermal chimneys up to 30cm tall have been built up by thermophilic micro-organisms. There are also thermophilic bacterial mats and sponges.
Condition
Horomatangi is classified as a Protected Geothermal System by Environment Waikato.
The Horomatangi Reef is protected by its inaccessibility and is pristine.
