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Colo River
The Colo River, a perennial stream that is part of the Hawkesbury-Nepean catchment, is located in the Central Tablelands of New South Wales, Australia. Course The Colo River rises on the Great Dividing Range, northeast of Newnes, formed by the confluence of the Wolgan River and the Capertee River, which respectively drain the Wolgan and Capertee Valleys north of Lithgow. Colo River flows eastwards and then south through a deep gorge in the northern section of the Blue Mountains. The majority of the river lies in Wollemi National Park. The middle Colo is inaccessible, rugged and remote. The wilderness was saved from development, logging and damming in the late 1970s by the Colo Wilderness Preservation Society and other environmentalists. Emerging from the wilderness region, the lower part of the Colo River flows through a scenic, narrow agricultural valley and reaches the Hawkesbury River at Lower Portland north of Windsor. Tributaries of the Colo include the Wollangambe R ...
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Wollemi National Park
The Wollemi National Park () is a protected national park and wilderness area that is located in the northern Blue Mountains and Lower Hunter regions of New South Wales, in eastern Australia. The park, the second largest national park in New South Wales, contains the Wollemi Wildernessthe largest such wilderness area in Australiaand is situated approximately northwest of Sydney. The Wollemi National Park is one of the eight protected areas that, in 2000, was inscribed to form part of the UNESCO World Heritagelisted Greater Blue Mountains Area. The Wollemi National Park is the most northwesterly of the eight protected areas within the World Heritage Site. The national park forms part of the Great Dividing Range. The only known living wild specimens of the Wollemi Pine (''Wollemia nobilis'') were discovered in 1994. Special efforts were made to protect the trees when the 2019-20 Australian bushfires burned through the park. The national park is bounded to the north by th ...
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Wollemi Creek
The Wollemi Creek, a partly perennial stream of the Hawkesbury-Nepean catchment, is located in the Central Tablelands and Blue Mountains regions of New South Wales, Australia. Course and features The Wollemi Creek rises below Kekeelbon Mountains on the southern slopes of Mount Mounundilla, within the Wollemi Range, in remote country within the Wollemi National Park, north northwest of the locality of Putty. The river flows generally south southeast and south southwest, generally adjacent to the Putty Road, joined by seven minor tributaries before reaching its confluence with the Colo River in the upper reaches of the Colo Gorge, about south southeast of Glen Davis. The river descends over its course. The upper Wollemi Creek has two main sources, one originating at about altitude east of Mount Monundilla, and the other due south of that mountain. Both flow through rough deep gorges at about in permanent dry weather flows, and fast flowing flood, until their confluence a ...
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Watercourse
A stream is a continuous body of surface water flowing within the bed and banks of a channel. Depending on its location or certain characteristics, a stream may be referred to by a variety of local or regional names. Long large streams are usually called rivers, while smaller, less voluminous and more intermittent streams are known as streamlets, brooks or creeks. The flow of a stream is controlled by three inputs – surface runoff (from precipitation or meltwater), daylighted subterranean water, and surfaced groundwater ( spring water). The surface and subterranean water are highly variable between periods of rainfall. Groundwater, on the other hand, has a relatively constant input and is controlled more by long-term patterns of precipitation. The stream encompasses surface, subsurface and groundwater fluxes that respond to geological, geomorphological, hydrological and biotic controls. Streams are important as conduits in the water cycle, instruments in groundwate ...
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Windsor, New South Wales
Windsor is a historic town north-west of Sydney, New South Wales, Australia. It is the council seat of the Hawkesbury local government area. The town sits on the Hawkesbury River, enveloped by farmland and Australian bush. Many of the oldest surviving European buildings in Australia are located at Windsor. It is north-west of metropolitan Sydney, on the fringes of urban sprawl. Demographics At the , Windsor had a reported population of 1,891 people, with a median age of 42. The most common ancestries in Windsor were English (30.9%), Australian (28.9%), Irish (10.3%), Scottish (7.5%), and German (2.8%). Most people from Windsor were born in Australia (78.8%), followed by England (3.3%), and New Zealand (1.5%). The most common religious group in Windsor was Christianity (65.8%), 25.2% being Catholic and 23.0% Anglican. The second largest group was No Religion (28.9%). The most common occupations in Windsor included Professionals (15.9%), Technicians and Trades Workers ...
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Lower Portland
Lower Portland is a rural suburb near Sydney, in the state of New South Wales, Australia. Lower Portland is located 80 kilometres northwest of the Sydney central business district, in the local government areas of The Hills Shire (east of the Hawkesbury River and the City of Hawkesbury (west of the Hawkesbury River). Lower Portland is a peaceful hamlet located at the junction of the Colo and Hawkesbury rivers. The area has historical significance, is scenic and is popular for water skiing. History The original inhabitants of the Lower Portland area were the Dharug people The Dharug or Darug people, formerly known as the Broken Bay tribe, are an Aboriginal Australian people, who share strong ties of kinship and, in pre-colonial times, lived as skilled hunters in family groups or clans, scattered throughout much .... The Darug were the custodians of the majority of what is now the Greater Sydney region. They were divided into a number of different 'clans', whose quick d ...
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Blue Mountains (Australia)
The Blue Mountains are a mountainous region and a mountain range located in New South Wales, Australia. The region borders on Sydney's metropolitan area, its foothills starting about west of centre of the state capital, close to Penrith on the outskirts of Greater Sydney region. The public's understanding of the extent of the Blue Mountains is varied, as it forms only part of an extensive mountainous area associated with the Great Dividing Range. As defined in 1970, the Blue Mountains region is bounded by the Nepean and Hawkesbury rivers in the east, the Coxs River and Lake Burragorang to the west and south, and the Wolgan and Colo rivers to the north. Geologically, it is situated in the central parts of the Sydney Basin. The ''Blue Mountains Range'' comprises a range of mountains, plateau escarpments extending off the Great Dividing Range about northwest of Wolgan Gap in a generally southeasterly direction for about , terminating at . For about two-thirds of its len ...
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Lithgow, New South Wales
Lithgow is a town in the Central Tablelands of New South Wales, Australia and is the administrative center of the City of Lithgow local government area. It is located in a mountain valley named Lithgow's Valley by John Oxley in honour of William Lithgow, the first Auditor-General of New South Wales. Lithgow is on the Great Western Highway, about west of Sydney, or via the old mountain route, Bells Line of Road, from Windsor. At June 2021 Lithgow had an estimated urban population of 21,556. Estimated resident population, 30 June 2018. Lithgow is surrounded by a varied landscape characterised by seven valleys which include national parks, one of which, the Blue Mountains National Park, is a World Heritage Area. The Wollemi National Park is home to the Jurassic-age tree the Wollemi Pine, which was found growing in a remote canyon in the park. Location The city sits on the western edge of the sandstone country of the Blue Mountains and is usually considered the first true ...
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Capertee Valley
The Capertee Valley (pronounced Kay-per-tee) is a large canyon in New South Wales, Australia, north-west of Sydney that is noted to be the second widest of any canyon in the world, exceeding The Grand Canyon. It is located kilometres north-west of Sydney, between Lithgow and Mudgee, in the Central Tablelands, just above the Blue Mountains. The only population centre of any kind is the village of Glen Davis, which includes a camp-site and often serves as a starting point for bushwalks around the Capertee River and other parts of the Wollemi National Park. Geology The valley follows the Capertee River as it cuts through the Sydney Basin, a sedimentary basin consisting of Permian and Triassic sedimentary rock west of the Blue Mountains. Sandstone cliffs and limestone formations predominate the escarpment, which descend into a deep chasm sculpted into the environment over millions of years. One of the most prominent features of the valley is Pantony's Crown, a sandstone ...
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Wolgan Valley
Wolgan Valley is a small valley located along the Wolgan River in the Lithgow Region of New South Wales, Australia. The valley is located approximately north of Lithgow and 150 kilometres north-west of Sydney. Accessible by thWolgan Valley Discovery Trail(Wolgan Road) from the Castlereagh Highway, the road travels through the valley leading onto the historical village of Newnes and its extensive industrial ruins. Description and history Wolgan Valley is formed by the Wolgan River in rugged mountainous country west of Sydney in Lithgow north of the city. It flows broadly east until it joins the Capertee River, after which it becomes the Colo River. The latter then continues east through the Wollemi Wilderness which is the largest wilderness area in New South Wales and the largest in eastern Australia. The Wolgan Valley includes sections of Wollemi National Park, Gardens of Stone National Park and the UNESCO declared Greater Blue Mountains World Heritage Area. The valley wa ...
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Great Dividing Range
The Great Dividing Range, also known as the East Australian Cordillera or the Eastern Highlands, is a cordillera system in eastern Australia consisting of an expansive collection of mountain ranges, plateaus and rolling hills, that runs roughly parallel to the east coast of Australia and forms the fifth-longest land-based mountain chain in the world, and the longest entirely within a single country. It is mainland Australia's most substantial topographic feature and serves as the definitive watershed for the river systems in eastern Australia, hence the name. The Great Dividing Range stretches more than from Dauan Island in the Torres Strait off the northern tip of Cape York Peninsula, running the entire length of the eastern coastline through Queensland and New South Wales, then turning west across Victoria before finally fading into the Wimmera plains as rolling hills west of the Grampians region. The width of the Range varies from about to over .Shaw, John H., ...
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Perennial Stream
A perennial stream is a stream that has continuous flow of surface water throughout the year in at least parts of its catchment during seasons of normal rainfall, Water Supply Paper 494. as opposed to one whose flow is intermittent. In the absence of irregular, prolonged or extreme drought, a perennial stream is a watercourse, or segment, element or emerging body of water which continually delivers groundwater. For example, an artificial disruption of stream, variability in flow or stream selection associated with the activity in hydropower installations, do not affect this status. Perennial streams do not include stagnant water ( pools and waterholes), reservoirs, cutoff lakes and ponds that persist throughout the year. All other streams, or parts of them, should be considered seasonal rivers or lakes. The stream can cycle from intermittent to perpetual through multiple iterations. Stream Definition The basic concept means flowing bodies of water. In hydrology, the strea ...
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Blue Mountains National Park
The Blue Mountains National Park is a protected national park that is located in the Blue Mountains region of New South Wales, in eastern Australia. The national park is situated approximately west of Sydney, and the park boundary is quite irregular as it is broken up by roads, urban areas and inholdings. Despite the name mountains, the area is an uplifted plateau, dissected by a number of larger rivers. The highest point in the park is Mount Werong at above sea level; while the low point is on the Nepean River at above sea level as it leaves the park. The national park is one of the eight protected areas that, in 2000, was inscribed to form part of the UNESCO World Heritagelisted Greater Blue Mountains Area. The Greater Blue Mountains was one of 15 World Heritage places included in the National Heritage List on 21 May 2007. The Blue Mountains National Park is the most central of the eight protected areas within the World Heritage Site and it forms part of the Great Div ...
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