The Old
Location of The Old River mouth in Victoria
Location
Country	Australia
State	Victoria
Region	Victorian Midlands (IBRA), Western District
Local government area	Moorabool
Physical characteristics
Source	Mount Bullengarook, Blackwood Ranges, Great Dividing Range
• location	Lerderderg State Park
• coordinates	37°31′06″S 144°25′51″E / 37.51833°S 144.43083°E / -37.51833; 144.43083
• elevation	575 m (1,886 ft)
Mouth	confluence with the Lerderderg River
• location	below Mount Blackwood
• coordinates	37°33′34″S 144°23′49″E / 37.55944°S 144.39694°E / -37.55944; 144.39694
• elevation	271 m (889 ft)
Length	7 km (4.3 mi)
Basin features
River system	Port Phillip catchment
National park	Lerderderg State Park
[1][2]

The Old River is a perennial river of the Port Phillip catchment, located in the Western District region of the Australian state of Victoria.

Location and features

The Old River rises below Mount Bullengarook, part of the Blackwood Ranges of the Great Dividing Range, in remote country within the Lerderderg State Park. The river flows generally south by west before reaching its confluence with the Lerderderg River below Mount Blackwood. The river descends approximately 304 metres (997 ft) over its 7-kilometre (4.3 mi) course.^[2]