Turnford Brook - Wormley Woods
Turnford Brook rises in this area and flows eastwards to the River Lea
Post to the north Wormley Woods
Post to the east Wormley Woods
Post to the west Ponsbourne Park
Ponsbourne Railway Tunnel
Coal post 800 NNW of Tanfield Farm and north of the lake
Westfield Grove. With remains of medieval and earlier fields and boundaries.