The creation of a network of mountain bike trails on Mount Canobolas offers a good opportunity to restore the mountain environment.The latest stage of work by a team of environmental consultants has revealed the extent of weed infestation on the mountain.In this week's episode we hear from  a track designer about the sheer scale of  blackberries he's found, and a staff member from the Orange Aboriginal Land Council  talks about his work following up discoveries by a consultant archeologist.