Sautadet Falls

Waterfall and rapids on Cèze river. A complex group of waterfalls and rapids that have formed on limestone. Interesting features are up to 10 m deep kettles that have been hollowed by turning stones.

Gunnuhver geothermal area

A geothermal field with mud pools and fumaroles, former geysers. A legend about a ghost that was dragged in the fumarole.

Pierre Saint-Martin Cave

Part of the cave is located also in Spain. A very long cave system, length of explored passages – 86,620 m. Up to 1,408 m deep (19th in the world). 7 entrances on the French side, 4 – on the Spanish side. One of the entrances starts with a very impressive 320 m deep abyss. Contains enormous underground voids including Salle de la Verna (the 22nd largest in the world) and Salle de l’Eclipse (the 19th largest in the world). In the Wind tunnel, there is constant wind with a speed of 11 m/s.

Wakulla Cave System

The longest mapped underwater cave system in the United States where one entrance is at Wakulla Springs. The total length of the explored passages is 72,171 m.

Sally Ward Spring

A spring with a magnificent underwater cave system below it. The length of explored passages is 2,195 m.

Wakulla Spring

One of the most impressive cold water springs in the world, the diameter of this spring pool is 96 meters, its depth is 56.4 meters. One of the most powerful springs in the world, its discharge has reached up to 54,226 liters per second. The water coming out of it has formed a very extensive freshwater cave system.

Jinbar Falls (Jin Bahir Falls)

Jin Bahir stream falls into a giant, 800 m deep abyss in Simien Mountains. Falls are starting from deep canyon – thus their height is less than the depth of abyss but nevertheless – more than 500 m.

St Marks River Rise

The last rise of St Marks River above the ground before its fall in the Gulf of Mexico. This river several times disappears underground and then emerges again.

Indian Spring, Wakulla

A comparatively weak spring that is discharging 17 l of water per second. Dive in this spring leads into a 3,626 m long cave with a strong current.

Cherokee Sink

A rounded jade green pool, 90 by 50 m large, surrounded by 0.5 – 9 m high cliffs. It has steep sides under the water as well and is up to 24.4 m deep. The sinkhole was formed by a collapse of the cave chamber and most likely was considerably deeper in the past.