Cooranbong is a town and rural suburb of the
City of Lake Macquarie in New South Wales,
Australia, west of the town of Morisset off the
Sydney-Newcastle Freeway. Cooranbong is
surrounded by the Watagans National Park.

The Avondale Estate is a Seventh-day Adventist
owned estate opposite the Cooranbong shops.
The estate is home to Avondale College, a
Seventh-day Adventist tertiary education
institution, the Sanitarium Health and
Wellbeing Company, Avondale College
Church, Avondale Memorial Church, a disused
dairy farm and Avondale Retirement Village. A
number of Avondale College students and staff
also live on the estate in off-campus housing.

There is also St Patrick's & St Brigid's Catholic
Church, a small church built in 1906 to replace
the original 1861 structure. The oldest
headstone in its cemetery dates to 1862.