Access unclearno public right of way confirmed — check locally before setting out
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Water End Swallow Holes is a Site of Special Scientific Interest in Hertfordshire, covering 0.11 km². The county has 41 Sites of Special Scientific Interest; this is one. For arrivals by rail, Welham Green Station is about 1 km to the north. Wormley-Hoddesdonpark Wood South and Wormley-Hoddesdonpark Woods North are among the SSSIs within 9.5 km.