 Burnt Fen is located near the eastern borders of the Isle of Ely, Cambridgeshire, although parts of it are also located in Suffolk and Norfolk.It is an area of prime agricultural land, which is mostly below sea level, and all of it is below the normal flood levels of the rivers which surround it on three sides.These comprise the River Great Ouse (or Ten Mile River) on the north western edge, the River Little Ouse (or Brandon Creek) on the north eastern edge and the River Lark on the south western edge.