Hobart Rivulet
Encyclopedia
The Hobart Rivulet flows down from Mount Wellington
Mount Wellington (Tasmania)
Mount Wellington is a mountain on whose foothills is built much of the city of Hobart, Tasmania, Australia. It is often referred to simply as 'the Mountain' by the residents of Hobart, and it rises to AHD over the city....

 and underneath the city of Hobart
Hobart
Hobart is the state capital and most populous city of the Australian island state of Tasmania. Founded in 1804 as a penal colony,Hobart is Australia's second oldest capital city after Sydney. In 2009, the city had a greater area population of approximately 212,019. A resident of Hobart is known as...

 into the River Derwent
Derwent River (Tasmania)
The Derwent is a river in Tasmania, Australia. It was named after the River Derwent, Cumbria by British Commodore John Hayes who explored it in 1793. The name is Brythonic Celtic for "valley thick with oaks"....

.

The rivulet was an important source of drinking water for the Mouheneener Aborigines
Tasmanian Aborigines
The Tasmanian Aborigines were the indigenous people of the island state of Tasmania, Australia. Before British colonisation in 1803, there were an estimated 3,000–15,000 Parlevar. A number of historians point to introduced disease as the major cause of the destruction of the full-blooded...

, and later for the first European settlers. The site for Hobart was originally chosen in part due to the availability of fresh water from the rivulet. Because of the pure water of the upper portion of the rivulet, the Cascade Brewery
Cascade Brewery
Cascade Brewery is the oldest continually operating brewery in Australia. It is based in South Hobart, Tasmania. The Cascade estate was founded beside the clean water of the Hobart Rivulet in 1824 by Peter Degraves, an entrepreneur who emigrated from England...

 was built beside it. There were several typhoid epidemics during the late 19th century due to poor water quality further downstream. It was also an important source of energy for early industry in Hobart.

The lower portion of the rivulet has been piped through the city and runs below
Subterranean river
A subterranean river is a river that runs wholly or partly beneath the ground surface – one where the riverbed does not represent the surface of the Earth ....

 the central city area. Regular tours of the rivulet take place under the CBD. The sandstone Wellington Bridge (1841) over the rivulet lies under the Elizabeth Street
Elizabeth Street, Hobart
Elizabeth Street is a major street which runs North-South through the city and suburbs of Hobart, Tasmania, Australia. It is named after Elizabeth Macquarie, the wife of the Governor of New South Wales from 1810-1821, Lachlan Macquarie....

Mall, and is visible through a viewing portal there.
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