Coonabarabran is about 500 kilometres north west of Sydney and Siding Spring Observatory is about 40km from Coonabarabran. Most people travel to Coonabarabran either by air or car, though other modes of travel (train, bus) are possible for the adventurous or those with time to spare.
For detailed information on travel between SSO and Sydney, please refer to the Australian Astronomical Observatory's travel and accommodation page.
Siding Spring Observatory is located 28 km from the town clock in Coonabarabran. If you are coming from Coonabarabran, follow the signs to Siding Spring Observatory and the Warrumbungle National Park. If you are coming from Gilgandra or Dubbo, take the Tooraweenah tourist drive through the National Park and we are 400 metres on the left as you exit the Park.
You can also follow the World's Largest Virtual Solar System Drive if you are coming from Dubbo, Tamworth, Gulgong, Moree or Merriwa.