cave![click to hear](/images/speaker.jpg)
Natural underground cavity that results from the slow dissolution and erosion of rock by water.
resurgence ![click to hear](/images/speaker.jpg)
Where an underground watercourse reappears at the surface after disappearing further upstream.
dry gallery ![click to hear](/images/speaker.jpg)
Underground corridor that forms when the water table drops.
stalagmite ![click to hear](/images/speaker.jpg)
Crystalline rock formation caused by the evaporation of water droplets that fall on the floor of the cave.
subterranean stream ![click to hear](/images/speaker.jpg)
Watercourse that flows through underground cavities.
column ![click to hear](/images/speaker.jpg)
Crystalline rock formation that results when a stalactite meets a stalagmite.
gour ![click to hear](/images/speaker.jpg)
Small basins hollowed out by water.
swallow hole ![click to hear](/images/speaker.jpg)
Deep hole connecting the ground surface to an underground gallery; it is caused by the collapse of the cave’s vault.
pothole ![click to hear](/images/speaker.jpg)
Natural well connecting a sinkhole to an underground swallow hole.
lapiaz ![click to hear](/images/speaker.jpg)
Calcareous rock surface with crests separated by grooves that are often deep; it is shaped by the water.
stalactite ![click to hear](/images/speaker.jpg)
Crystalline rock formation caused by the partial evaporation of water droplets from the vault of the cave.
sinkhole ![click to hear](/images/speaker.jpg)
Basin formed by continuous water infiltration into calcareous rock, causing the dissolution of the rock.
waterfall ![click to hear](/images/speaker.jpg)
Almost vertical flow of a watercourse, caused by a sudden change in the level of its bed.
gorge ![click to hear](/images/speaker.jpg)
Deep narrow ravine along which a permanent or intermittent river flows.
water table ![click to hear](/images/speaker.jpg)
Vast expanse of underground water fed by rainwater filtering through the earth; it supplies springs and can be collected in wells.