Blue Mountains Explorer Bus Boomerang Pass photos More Blue Mountains Explorer Bus Boomerang Pass photos tours ‹ • One full Explorer Bus circuit, about 1 hour• Informative and entertaining live commentary• The Three Sisters, Mount Solitary and the Ruined Castle• Megalong, Jamison and Kedumba valleys• King's Tableland and Leura Blue Mountains Explorer Bus Boomerang Pass from $36/person ›