|Mouth||tributary of Arthur River|
|Length||80 kilometres (50 mi)|
|Source elevation||262 metres (860 ft)|
|Mouth elevation||228 metres (748 ft)|
|Avg. discharge||23277 ML/yr|
|Basin area||1,565 square kilometres (604 sq mi)|
The rivers has its headwaters west of Woodanilling near Melbourne Vale and flows in a westerly direction until it flows into the Arthur River near Duranillin. The Arthur River is a tributary of the Blackwood River.
The only tributary of the river is the 7.5 kilometres (5 mi) Beaufort River East that joins the main river just east of where it crosses Albany Highway.
The river's catchment falls within the Blackwood catchment's Beaufort zone as part of the Beaufort system. The system is composed of broad valley floors with a grey sandy duplex and was previously a wandoo sheoak  woodland but has now mostly been cleared for agriculture.
- Western Australian Land Information Authority. "History of river names". Retrieved 2011-09-03.
- "Bonzle Digital Atlas - Map of Beaufort River, WA". 2007. Retrieved 23 November 2008.
- "Department of Water - Water Resources Data - Streamflow Sites - Beaufort River - Manywaters". 2008. Retrieved 23 November 2008.
- "Blackwood catchment, Beaufort zone catchment appraisal". 2003. Retrieved 2 September 2010.
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