Wondabyne is a road-inaccessible locality located in the Central Coast region of New South Wales, Australia, and is part of the Central Coast Council local government area.

The river that surrounds Wondabyne is called "Mullet Creek."

Wondabyne railway station is the only railway station in Australia that does not have road access.

[2] The station and Mullet Creek as it flows through the locality starred in the film Oyster Farmer.

This Central Coast geography article is a stub.