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