stone stepping stones crossing greaves creek on the grand canyon walk blackheath in the blue mountains australia.

tree wilderness rock mountain autumn nature landscape plant trail terrain flower forest cliff geology hill leaf ridge woodland valley view walls australian bush grand canyon walk blackheath blue mountains australia bushwalking eucalypts ferns track hiking walking gum eucalypt eucalyptus sky rocks stone travel park trees green national peak high cliffs greaves creekn creek river bank fallen trunk stream stepping stones crossing australia bush bank