Frays Island and Mabey's Meadow | London Wildlife TrustAlder and willow woodland set between the Rivers Colne and Frays in West Drayton, rich in aquatic life.Alder and willow woodland set between the Rivers Colne and Frays in West Drayton, rich in aquatic life. Location Thorney Mill Road, West Drayton Hillingdon UB7 7PF Know before you go Size 3 hectares P Parking information No parking available on site Access https://www.wildlondon.org.uk/nature-reserves/frays-island-and-mabeys-meadow