Water End Swallow Holes, Geological site in Welham Green, United Kingdom
Description
Water End Swallow Holes is a geological site in Welham Green comprising fifteen natural sinkholes formed within the chalk bedrock across approximately 11.3 hectares. These depressions developed through the natural drainage of groundwater in this water-permeable landscape.
History
The site received protection as a Site of Special Scientific Interest in 1986 due to its geological and biological value. The chalk sinkholes themselves formed through natural hydrological processes that have operated over many centuries.
Culture
These limestone formations serve as an educational resource for scientists and researchers studying the natural drainage systems of southeastern England.
Practical
Access to the site is provided via Station Road and is managed by Welwyn Hatfield District Council. Visitors should wear sturdy footwear as the ground is uneven and can become slippery in wet conditions.
Did you know?
The area contains Reed Sweet-grass populations in its deeper water sections alongside a willow carr swamp system. These two distinct habitat types coexist in close proximity and support different ecological communities.
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