Mount Wilson is a village in the Blue Mountains region of New South Wales, Australia. The village is about 14 kilometres (8.7 mi) east of the township of Bell, and about 100 kilometres (62 mi) west of the Sydney CBD. At the 2021 census, the village of Mount Wilson had a population of 81 people. Mount Wilson is known for its multiple large ornate gardens, walks and access to nature, and popularity as a base for canyoning.
Mount Irvine is a small village and a mountain located in the Blue Mountains region in the state of New South Wales, Australia. The village is situated in the City of Blue Mountains in Greater Western Sydney. At the 2021 census, Mount Irvine has a population of 22.
At an elevation of 850 metres (2,790 ft) above sea level, the mountain is approximately 85 kilometres (53 mi) west northwest from Sydney CBD and more than two hours by car. The area has a wet micro climate and rich basalt soils, weathered from ancient volcanics. Rainfall is in excess of 1,500 millimetres (59 in) a year and vegetation is predominantly temperate rain forest. The area is typified by some spectacular temperate gardens, similar to those in the neighbouring area of Mount Wilson.
Blue Mountains Basalts are igneous rocks occurring in the Sydney Basin in eastern Australia. This formation is up to 140 metres thick. Formed in the middle Miocene, some 17 million to 14 million years ago.
The remnants of this volcanic lava flow are confined to the higher altitudes in the western Blue Mountains. Such as Mount Hay, Mount Wilson, Mount Irvine, Mount Banks and Mount Tomah.