Three Sisters Springs

Manatee in Three Sisters Springs

A group of three powerful springs forms a small lake with sand boils and deep blue-green colored, unusually lucid water. During the winter hundreds of manatees may stey there.

Te Kopia Mud Geyser

Unusual and a fairly spectacular mud geyser. During the periods of activity every 10-30 minutes, it ejects a muddy fountain that is some 3-10 m tall.

Rainbow Springs

Rainbow Springs, Florida

One of the largest groups of springs in Florida with an output of some 19 454 l per second. A beautiful scenic area.

Mokena Geyser

Mokena Geyser

Artificial geyser – a hot soda spring that erupts every 30 – 40 minutes and is up to 4 m high.

Nutall Rise in Aucilla River

Aucilla River at Nutall Rise

River rise – a resurgence of Aucilla River after a short underground segment. This is the last river rise on the Aucilla River – but there are many more upstream.

Orakei Korako (Waipapa part)

Orakei Korako, New Zealand

One of the world’s most exciting geothermal fields with some 35 active geysers and beautiful stone waterfalls – several large sinter terraces.

Little Crater Lake

Little Crater Lake

Impressive, deep blue spring lake. The lake is 14 m deep and could be formed as a maar: due to groundwater explosion caused by the volcanic heat.

Borax Lake

Borax Lake

A thermal lake that is fed by hot springs. The temperature of the lake surface is between 16 and 38 degrees C and also higher. Lake water contains much borax, arsenic, and lead. Nevertheless, here lives a unique fish – Borax Lake chub (Gila boraxobius).