3 day Sydney itinerary instagrammable places in Sydney  Bronte baths Sydney dog beaches in Sydney Pittwater boat hire palm beach spit to manly walk what to do at palm beach what to do on cockatoo island manly to freshwater via manly wormhole parsley bay manly to north head walk Sydney  Bronte to bondi beach walk Coogee to bondi beach walk hermitage foreshore walk ku-ring-gai chase national park walks Barrenjoey lighthouse walk warriewood blowhole maroubra to la perouse walk Coogee beach to maroubra walk rose bay to Watsons bay walk bondi to Watsons bay walk the bay run walk lady Robinsons beach Brighton le sands la perouse coastal walk Cronulla coastal walk Mosman bay to Cremorne point walk Taronga zoo to balmoral beach walk how to get to hanging rock blue mountains palm beach to Avalon walk sphinx memorial to bobbin head loop track mount kuring gai to berowra walk Cowan to Brooklyn walk Jerusalem bay