In a rectangular compound on top of a ridge overlooking the Severn Estuary, 50 yards North of a public footpath running East from Hallen Road and 100 yards North of M5.
LOCKED All surface features remain intact with some flaking of the muddy green paint. There were originally two small double steps (on two sides) up to the access shaft but one pair has been removed. The FSM pipe is surrounded by a conical concrete plinth. The hatch is locked.
Opened in 1960 and closed in 1991.
