Castle Bottom to Yateley and Hawley Commons

Castle Bottom to Yateley and Hawley Commons is a 922.7-hectare (2,280-acre) biological Site of Special Scientific Interest north of Fleet in Hampshire.^[1][2] It is part of Thames Basin Heaths Special Protection Area for the conservation of wild birds^[3] and an area of 30.8 hectares (76 acres) is designated a national nature reserve called Castle Bottom.^[4]

Castle Bottom to Yateley and Hawley Commons

Site of Special Scientific Interest
Yateley Common
Location	Hampshire
Grid reference	SU 818 586[1]
Interest	Biological
Area	922.7 hectares (2,280 acres)[1]
Notification	1993[1]
Location map	Magic Map

This site of heathland and conifer plantation has an internationally important population of Dartford warbler and populations of two other protected birds, woodlark and nightjar. It also has an outstanding assemblage of dragonflies and damselflies, with 19 out of the 37 British species. Other invertebrates include the nationally rare conopid fly, Myopa fasciata.^[5]