Stewart River (Queensland)

The Stewart River is a river in the Cape York Peninsula of Far North Queensland, Australia.

The headwaters of the Stewart River rise in McIlwraith Range, part of the Great Dividing Range, northeast of. The river flows generally south, then south by east and then finally east, joined by two minor tributaries before reaching its mouth and emptying into the Coral Sea at Port Stewart. The river descends 580 m over its 92 km course.

The river has a catchment area of 2743 km2 of which an area of 81 km2 is composed of estuarine wetlands.

The river was named after a member of the 1872 exploration party led by William Hann with the family name of Stewart.