Redgrave & Lopham Fen is a National Nature Reserve in Norfolk, covering 1.3 km². It is one of 20 National Nature Reserves in the county. The closest station is Diss, about 6.7 km to the east. Other nature reserves nearby include Blo' Norton and Thelnetham Fens, Wortham Ling and Bugg's Hole Fen, Thelnetham.