Description:
The Mulgrave River is a river in Far North Queensland, Australia. It flows in a northerly direction through Gordonvale and the southern outskirts of Cairns, after rising in the Bellenden Ker Range. Some of the 1315 km² catchment area is protected with the Wooroonooran National Park and the Wet Tropics World Heritage Area. The Mulgrave River empties into the Coral Sea 30 km south at the southern extremity of the Yarrabah Hills range where the Mulgrave meets the Russell River. The Trinity Inlet was once the river mouth of the Mulgrave River. Volcanic activity that resulted in the rise of Green Hill in the Mulgrave Valley blocked the river from entering the sea near present day Cairns.