Tags: Site Of Special Scientific Interest.
Arger Fen is a Site of Special Scientific Interest (SSSI) and nature reserve located between the villages of Bures St Mary and Leavenheath 7 miles (11.3 km) south-east of Sudbury in the south of the English county of Suffolk. The reserve is owned and managed by Suffolk Wildlife Trust who purchased it in 2008. The reserve is 48 hectares (119 acres) in area and was first identified as an SSSI in 1986.