Coldstream River, a watercourse of the Clarence River catchment, is located in the Northern Rivers district of New South Wales, Australia.

Coldstream River rises below Glenugie Peak, near Brown Knob Trignometric Station and flows generally north by east, before reaching its confluence with the South Arm of the Clarence River, near Tyndale; descending 32 metres (105 ft) over its 43 kilometres (27 mi) course; as it flows through Yuraygir National Park and past the village of Tucabia.

• Rivers of New South Wales

29°44′S 153°05′E / 29.733°S 153.083°E / -29.733; 153.083