Upper Arun

Upper Arun is a 17.6-hectare (43-acre) biological Site of Special Scientific Interest between Billingshurst and Pulborough in West Sussex.^[1][2]

LocationWest Sussex

Grid referenceTQ 044 220^[1]

InterestBiological

Area17.6 hectares (43 acres)^[1]

Quick facts Location, Grid reference ...

Upper Arun

Site of Special Scientific Interest
Location	West Sussex
Grid reference	TQ 044 220[1]
Interest	Biological
Area	17.6 hectares (43 acres)[1]
Notification	1988[1]
Location map	Magic Map

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This 13-kilometre (8-mile) long stretch of the River Arun provides the habitat for a rich riverine flora, such as common club-rush and reed canary-grass. It is an outstanding site for breeding dragonflies, including the clubtail, hairy, brilliant emerald and the nationally rare scarce chaser.^[3]