Tidbinbilla
Location of the Tidbinbilla River mouth in the ACT
Location
Country	Australia
Territory	Australian Capital Territory
Region	South Eastern Highlands (IBRA), Capital Country
Physical characteristics
Source	Brindabella Ranges
• location	Billy Billy Rocks in Tidbinbilla Nature Reserve
• coordinates	35°26′35″S 148°55′31″E / 35.44306°S 148.92528°E / -35.44306; 148.92528
• elevation	1,330 m (4,360 ft)
Mouth	confluence with Paddys River
• coordinates	35°25′28″S 148°57′31″E / 35.42444°S 148.95861°E / -35.42444; 148.95861
• elevation	618 m (2,028 ft)
Length	13 km (8.1 mi)
Basin features
River system	Murrumbidgee catchment, Murray–Darling basin
National park	Namadgi NP
[1]

The Tidbinbilla River, a perennial stream that is part of the Murrumbidgee catchment within the Murray–Darling basin, is located in the Australian Capital Territory, Australia.

Location and features

Tidbinbilla River rises on the eastern slopes of the Brindabella Ranges in the south-west of the Australian Capital Territory (ACT), below Billy Billy Rocks in Tidbinbilla Nature Reserve, within Namadgi National Park. The creek flows generally north-east before reaching its confluence with Paddys River, south-west of Tuggeranong Town Centre. The creek descends 708 metres (2,323 ft) over its 13-kilometre (8.1 mi) course.^[1]