Go sightseeing in the blue mountains on a hop on hop off bus tour your hop on hop off pass is valid for three days and stops at 29 convenient locations including most hotels in the central blue mountains area see the views from the three sisters and echo point lookouts and visit galleries shops and cafes in the lovely mountain towns of leura and katoomba upgrade to the lyrebrird pass to include a visit to scenic world with the worlds steepest scenic railway and southern hemispheres stee