Siding Spring Observatory

Siding Spring Observatory Siding Spring Observatory (SSO) is Australia's premier optical and infrared astronomical Observatory Caravans must park at the bottom.

Siding Spring Observatory (SSO), on the edge of the Warrumbungle National Park near Coonabarabran, NSW, is Australia's premier optical and infrared astronomical observatory. Siding Spring Observatory is located atop Mt Woorut (~1160m) at the end of Observatory Road, 27km west of Coonabarabran on the eastern edge of the Warrumbungle National Park. Coming from Coonabarabran, follow the brown tourist

information signs along the John Renshaw Parkway (or Timor Road) to Siding Spring Observatory. From the west, follow the signs to the Warrumbungle National Park. Travel through the park towards Coonabarabran. The turnoff to Siding Spring Observatory is about 200m past the eastern boundary of the National Park. The weather here can be quite variable. It can be quite warm or at the other extreme quite cool. Sunscreen, a hat, water and a warm coat/jacket are advisable. Please note: During times of Severe Fire Danger and extreme weather events, the observatory will be closed to visitors. If in doubt, please contact us.

14/08/2026

We are currently renovating the siding spring visitors centre. Whilst this project is occurring the site will be closed to visitors every tuesday for the next few weeks.

Site is still open every other day

Telescope back on sky 7th May, after a great effort from AAT staff and Contractors.It's been a massive week, but everyth...
08/05/2026

Telescope back on sky 7th May, after a great effort from AAT staff and Contractors.
It's been a massive week, but everything went well....well nearly πŸ˜‰
Well done TEAM!πŸ‘πŸ‘
Until 2027....
Next mirror should be 2.3m......sometime this year!

06/05/2026

Back it goes...more photos πŸ“Έ later though...πŸ‘·β€β™€οΈπŸ‘·

Day 2It's a long one...but we are finished. 930pm!We hav an awesome team looking after this mirror. It gets alot of eyes...
05/05/2026

Day 2
It's a long one...but we are finished. 930pm!
We hav an awesome team looking after this mirror. It gets alot of eyes casting over it in ever single step..
To make sure we are 110% in agreement we continuing on...or does it need another polish??
😍πŸ₯°
We open at 8am tomorrow...😁😴

It's been over 2years now since we did the AAT mirror re-aluminising...we finally got started at it today...
04/05/2026

It's been over 2years now since we did the AAT mirror re-aluminising...we finally got started at it today...

Address

Observatory Road
Coonabarabran, NSW
2357

Opening Hours

Monday 8:30am - 3pm
Tuesday 8:30am - 3pm
Wednesday 8:30am - 3pm
Thursday 8:30am - 3pm
Friday 8:30am - 3pm
Sunday 8:30am - 3pm

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