Was named by Russell, (Russ) Alfred May (1926-2010), c1960s, due to the large number of Coachwood trees (Ceratopetalum apetalum) growing in this side canyon of Rocky Creek. Located 600m south east of Galah Trig Station, accessed via Galah Mountain Road. Sheep Dip Canyon is the next tributary to the west. Within this area is the feature, is the Garden of Eden.