StreetAsh StreetSuburbCherrybrookDetailsAsh is a cool climate deciduous tree named after its silver-grey bark.SourcePatrick, Trevor G. (1994) Street Names Of Pennant Hills and Surrounding Suburbs of Beecroft, Cheltenham, Cherrybrook, Thornleigh, Westleigh, and West Pennant Hills, Silicon Quill: Hornsby, p. 3.Map[1]