|Name origin: William Locke Brockman, a pastoralist|
|Part of||Avon River|
|- location||north of Bindoon Hill|
|- elevation||159 m (522 ft)|
|- location||east of|
|- elevation||55 m (180 ft)|
|Length||73 km (45 mi)|
|Basin||1,520 km2 (587 sq mi)|
Course and features
The river rises north of Bindoon Hill and then flows generally in a southerly direction. The river is crossed by the Great Northern Highway near the Bindoon-Moora Road turnoff and flows parallel with the highway as it continues southward. Passing the town of and through Lake Needoonga and Lake Chittering, the highway crosses the river as the river veers eastward. The river then passes and finally discharges into the Avon River near Jumperkine Hill just north of Walyunga National Park. The river has many smaller tributaries including Wootra Brook, Spice Brook, Longbridge Gully, Marbling Brook, and Marda Brook. The river descends 103 metres (338 ft) over its 73-kilometre (45 mi) course.
The Brockman has the largest catchment in the Lower Avon and Upper Swan River catchments. The natural resource base of the river is deteriorating as a result of clearing of natural vegetation which in turn has led to erosion and salinity.
The first European to discover the river was the surveyor Francis Thomas Gregory who named the river in 1853. The river is named after William Locke Brockman who was a pastoralist in the region with large land holdings and a Member of the Western Australian Legislative Council.
- "Map of Brockman River, WA". Bonzle Digital Atlas of Australia. 2008. Retrieved 29 August 2010.
- "Waters and Rivers Commission - Natural Resource Management Plan for the Brockman River Catchment" (PDF). 2003. Retrieved 29 August 2010.
- Western Australian Land Information Authority. "History of river names". Archived from the original on 16 February 2015. Retrieved 29 August 2010.
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