Site of Special Scientific Interest | |
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Location | Hertfordshire |
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Grid reference | TL230043 |
Interest | Biological |
Area | 11.3 hectares |
Notification | 1986 |
Location map | Magic Map |
Water End Swallow Holes is a biological site of Special Scientific Interest in Hertfordshire, south-east England. Located in Welham Green and under the planning authority of Welwyn Hatfield District Council, it has an area of 11.3 hectares (28 acres). [1] [2]
The site covers more than fifteen swallet holes, the only ones in chalk which are a permanent feature of the landscape. Next to the holes is a swamp area of willow carr which is biologically important, and in deep water there is reed sweet-grass. The site also has areas of woodland and grassland. [1] From the sinkholes the waters become the River Colne.
There is access to the site from Station Road.
51°43′26″N 0°13′14″W / 51.72394°N 0.22064°W
Site of Special Scientific Interest | |
![]() | |
Location | Hertfordshire |
---|---|
Grid reference | TL230043 |
Interest | Biological |
Area | 11.3 hectares |
Notification | 1986 |
Location map | Magic Map |
Water End Swallow Holes is a biological site of Special Scientific Interest in Hertfordshire, south-east England. Located in Welham Green and under the planning authority of Welwyn Hatfield District Council, it has an area of 11.3 hectares (28 acres). [1] [2]
The site covers more than fifteen swallet holes, the only ones in chalk which are a permanent feature of the landscape. Next to the holes is a swamp area of willow carr which is biologically important, and in deep water there is reed sweet-grass. The site also has areas of woodland and grassland. [1] From the sinkholes the waters become the River Colne.
There is access to the site from Station Road.
51°43′26″N 0°13′14″W / 51.72394°N 0.22064°W