Grove Creek Observatory is in Trunkey Creek, New South Wales, Australia. It advertises that it has the darkest night skies and best seeing conditions of any observatory in Australia. It is located about 4 hours drive from Sydney, Australia. It is run by Jim Lynch and Steven Williams.
It is a non-profit research facility associated with Wheaton College in Massachusetts, USA and also provides remote internet access to its telescopes for the general public and astronomers. A special telescope is also housed there that monitors the Moon, to study Transient Lunar Phenomena (TLP's) by Columbia University in the USA.
Grove Creek no longer conducts public tours.