Gloucester River

Gloucester River
Perennial river
Upper reaches of the Gloucester River, at Gloucester Falls, within Barrington Tops National Park, 1997.
Country	Australia
State	New South Wales
IBRA	NSW North Coast
District	Upper Hunter
Local government area	Dungog, Mid-Coast Council
Part of	Manning River catchment
Tributaries
- left	Barrington River, Bowman River
- right	Berrico Creek, Buggs Creek, Sandy Creek (Upper Hunter, New South Wales), Avon River
Town	Gloucester
Landmark	The Bucketts
Source	Gloucester Tops, Great Dividing Range
- location	north northwest of Dungog
- elevation	1,190 m (3,904 ft)
Mouth	confluence with the Manning River
- location	west of Wingham
- elevation	38 m (125 ft)
Length	102 km (63 mi)
National park	Barrington Tops
Waterfall	Gloucester Falls

Gloucester River (ⁱ/ˈɡlɒstər/ GLOS-tər), a perennial river and major tributary of the Manning River catchment, is located in the Upper Hunter district of New South Wales, Australia.

Gloucester River rises within Gloucester Tops, on the eastern slopes of the Great Dividing Range, north northwest of Dungog, and flows generally east northeast, joined by six tributaries including the Avon, Barrington, and Bowman rivers, before reaching its confluence with the Manning River, west of Wingham. The river descends 1,150 metres (3,770 ft) over its 102 kilometres (63 mi) course.