It is in the Mimram Valley, to the north of Welwyn Garden City.

It lies on the north side of Bessemer Road near its Welwyn end and to the west of the East Coast mainline railway, Welwyn Viaduct; access is from Digswell Park Road. Grid reference X: 524500 m Y: 215000 m http://www.multimap.com/maps/?&t=l&map=51.82,-0.1999|17|4&loc=GB:51.82:-0.1999:17#map=51.81965,-0.19958|17|4&loc=GB:51.8205:-0.20065:17||