Karst comprises some of the most unique landscapes in the world, but it is also characterised by distinctive landforms. These characteristic landforms can be found both on the surface and below ground. Surface landforms commonly include enclosed depressions, sinkholes, sinking streams and springs.

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The most common types of karst landforms are: 

• Enclosed depressions (including sinkholes and dolines)
• Sinking streams or swallow holes
• Springs
• Dry valleys
• Caves
• Turloughs
• Estevelles
• Limestone pavement
• Epikarst