|- location||Lake Muir State Forest|
|- elevation||211 m (692 ft)|
|- elevation||52 m (171 ft)|
|Length||37 km (23 mi)|
|Basin||240 km2 (93 sq mi)|
|National park||Shannon National Park|
The river rises below Mount Burnside in the Lake Muir State forest. The river flows in a southerly direction through the Shannon National Park until it flows into the Deep River, of which it is a tributary.
The water quality of the river is excellent and is considered fresh.
- "Map of Weld River, WA". Bonzle Digital Atlas. 2006. Retrieved 23 November 2008.
- "Journal of Hydrology - Floodflow frequency model selection in Australia" (PDF). 1992. Retrieved 23 November 2008.
- "Hydrological exchange and subsurface water chemistry in streams varying in salinity in south-western Australia". International Journal of Salt Lake Research. 8: 361–382. 2006. doi:10.1023/A:1009060912470. Retrieved 3 November 2008.