| Port Walcott Western Australia | |||||||||
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  Port Walcott | |||||||||
| Coordinates | 20°39′S 117°12′E / 20.650°S 117.200°E | ||||||||
| Established | 1960s | ||||||||
| Location | 38 km (24 mi) from Karratha | ||||||||
| State electorate(s) | North West | ||||||||
| Federal division(s) | Durack | ||||||||
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Port Walcott, formerly known as Tien Tsin Harbour, is a large open water harbour located on the northwest coast of Western Australia, located near the town of Point Samson.