Carnarvon is a coastal town situated approximately 900 kilometres (560 mi) north of Perth, in Western Australia. It lies at the mouth of the Gascoyne River on the Indian Ocean. The popular Shark Bay world heritage area lies to the south of the town and the Ningaloo Reef and the popular tourist town of Exmouth lie to the north. Mungullah Aboriginal Community was formerly in the town however it has moved east of the town.

The Gascoyne River is a river in the Gascoyne region of Western Australia. At 865 kilometres (537 mi), it is the longest river in Western Australia.