The Royal Botanic Gardens are the oldest scientific institution in Australia. They were established in 1816 and cover 30 hectares of land near the Sydney Opera House.
The botanic gardens are relatively informal and have plenty of open spaces. There is a rose garden, cacti display and rainforest area. Mrs Macquarie's Chair along the coast path offers good views of the Opera house and Sydney Harbour
. For a relaxing meal or coffee inside the gardens there is the Botanic Gardens Restaurant which overlooks the gardens at Palm Grove
. Free guided tours run every morning at 10:30 for 45 minutes. Tours meet at the park entrance, which is the Visitors Centre on Mrs Macquarie's Road. Address:Mrs Macquaries Road, Sydney, NSW, 2000.