The Navua River is located in the island of Viti Levu

Viti Levu

Viti Levu is the largest island in the Republic of Fiji, the site of the nation's capital, Suva, and home to a large majority of Fiji's population.- Geography and economy :...

 in Fiji

Fiji

Fiji , officially the Republic of Fiji , is an island nation in Melanesia in the South Pacific Ocean about northeast of New Zealand's North Island...

 and has its source on the south east slope of Mount Gordon

Mount Gordon

Mount Gordon is a cinder cone in the Wrangell Mountains of eastern Alaska, United States, located between Nabesna Glacier and the stratovolcano Mount Drum. It is the most prominent of a group of Pleistocene and Holocene cinder cones, most of which are less than high. The exact age of Mount Gordon...

 and flows for 65 kilometers to the south coast. It is noted for the scenic beauty of the rugged mountaun country through which it flows.
In the late 19th century a sugar mill was built on the banks of this river, and although the mill was shut down in 1923, the town of Navua stands on its site.