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Natural Bridge is an area located at the southern end of Numinbah Valley and is a part of Springbrook National Park.
Here, the rainforest springs and short tributary creeks such as Cave Creek form the headwaters of the Nerang River.
The Natural Bridge area takes its name from an ancient geological phenomenon associated with one of these creeks.
How Natural Bridge was formed
Through the process of time, a deep cave formed behind a waterfall on Cave Creek.
Upstream of the falls, a pool was scoured by tumbling water and rocks until the waters partially broke through the basalt rock of the creek bed to flow into the large cave below.
This diversion of the stream created a perfect arch or bridge in the rock above.
The creek flows dramatically into the cave pool and then continues on its course to join downstream with the Nerang River.
Discovering Natural Bridge
It is documented that two timber getters, Alexander (Sandy) Duncan and Din Guinea, were the first Europeans to sight the Natural Bridge.
They were cutting timber in the rainforest just above what was then an unnamed stream. Sandy had reportedly gone down to the creek for water to boil the billy when he came upon the bridge and cave.
From then on the local timber getters and later settlers referred to the place as the Natural Bridge.
Information and images provided by the City of Gold Coast Local Studies Collection.