1. Sydney Observatory
  2. People looking out of the Observatory telescope.
    Photograph: Sydney Observatory/James Horan
  3. Valentine’s Day at Sydney Observatory
    Photograph: Supplied
  4. Family looking through telescope
    Photograph: James Horan
  5. Observatory Hill at sunset
    Photograph: Destination NSW

Sydney Observatory

Intrigued by the night sky? Take a guided tour at Sydney Observatory
  • Museums
  • Millers Point
Alice Ellis
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Time Out says

Built in 1858, Sydney Observatory – which sits up on top of the hill at Millers Point in Sydney city – gained international recognition under Henry Chamberlain Russell, the government astronomer from 1870 to 1905, who involved Sydney in the International Astrographic Catalogue, the first complete atlas of the sky. The Sydney section alone took 80 years to complete and filled 53 volumes. Sydney Observatory opened to the public in 1982.

Sydney Observatory offers a range of tours (booking essential) that are well worth checking out. You pay (a fairly decent) price for the tours, but non-guided regular admission to the gardens and museum is free, and there's a great view of the city from up there – including beautiful sunsets. 

Extended opening hours and new guided tours from Wednesday to Saturday allow visitors to explore the historic Observatory grounds that overlook the harbour from Sydney’s highest point. Visitors can book intimate guided historical tours that dive into stories that have shaped Observatory Hill, including its colonial uses for a windmill, defence fort, signal station, timekeeping service and weather station. The tour takes visitors inside the Signal Master’s Cottage and Observatory wing to explore unique artefacts from the Powerhouse Collection before climbing narrow staircases to see Australia’s oldest working telescope alongside a modern 16-inch telescope inside the astronomy domes. Tours run day and night from Wednesday to Saturday.

If you're intrigued by the night sky, you just think it's pretty, or you simply want to get a great view of Sydney, head up to the Sydney Observatory.

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Want more? Here's our guide to the other Sydney bucket-list items to tick off.

Details

Address
Sydney Observatory
Upper Fort St, Observatory Hill
Millers Point
Sydney
2000
Transport:
Nearby stations: Circular Quay
Price:
Free
Opening hours:
Daily 10am-5pm; night tours by booking

What’s on

Moon Festival at Sydney Observatory

The time-honoured tradition of celebrating the September/October full moon – also known as the Harvest Moon or Hunter’s Moon – has played an important role in many Asian cultures for centuries, offering a moment to honour the magnificent moon at its brightest. Harvest Moon-related festivals have been celebrated across Sydney for years, but in 2025, the celebrations will take over one of the city’s most iconic celestial landmarks. From Tuesday, September 30, to Thursday, October 2, Sydney Observatory will host its first-ever Moon Festival, featuring lion dances, lantern parades, live musical performances, and Vietnamese street food. Traditionally, Moon Festivals focus on the theme of gratitude, with mooncakes shared among guests, lion dances performed, and feasts enjoyed under the glowing moon. The Sydney Observatory event will follow this tradition, with interactive lantern-making workshops led by renowned visual artist Truc Truong, alongside other traditional activities – and the added bonus of the city’s best view of the moon through the observatory's powerful telescope. The Moon Festival will take over the observatory grounds for three consecutive days at various times, with the main event – including a lantern parade, lion and dragon dances, and a live set by Asian-Australian DJ Small FRY – taking place on Thursday, October 2. Workshops will be free to attend, but a (free) ticket will be required for the Thursday evening main event. Keen? You can check out the full...
  • Fairs and festivals
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