The Jamison Valley forms part of the Coxs River canyon system in the Blue Mountains of New South Wales, Australia. It is situated approximately 100 kilometres west of Sydney, capital of New South Wales, and a few kilometres south of Katoomba, the main town in the Blue Mountains.
Later, as local towns were beginning to develop, the British naturalist Charles Darwin toured the area. He stayed at the Weatherboard Inn in Wentworth Falls in 1836, and undertook a walk along Jamison Creek to the escarpment of the Jamison Valley, where he was impressed by the views. His route is now commemorated as Darwin's Walk, starting in Wilson Park, Wentworth Falls, and following Jamison Creek to the escarpment.Sydney and Blue Mountains Bushwalks, Neil Paton (Kangaroo Press) 2004, p. 207
Coal mining in the valley was started around 1872 by John Britty North, with large-scale infrastructure (Katoomba Scenic Railway) used to overcome the terrain.
The only mountain in the valley is Mount Solitary, which sprawls across the south of the valley from west to east. It is joined to Narrow Neck Plateau by a low ridge which is also the site of the Ruined Castle, a rock formation that is popular with bushwalkers. Immediately east of Mount Solitary is a property called Kedumba Farm, which is no longer worked as a farm.
South of Mount Solitary, the valley sprawls through Cedar and Kedumba Valley down to Coxs River and Lake Burragorang, the lake that was created when Warragamba Dam was built. There is a prohibited area around the river and lake to protect Sydney's water supply. Around this area there is a high-tension power line that crosses the valley from east to west; it is followed by a series of service roads that provide access to the powerline and to the area, although much of it is in the prohibited area. These service roads make it possible to do a trek taking in the whole valley, but it is necessary to get permission from Sydney Water to go through the prohibited area. The Katoomba and Jamison topographic maps are essential for any of these walks.Jamison Topographic Map, 8930-2N, Land and Property Information, New South WalesBlue Mountains Tourist Map, 1988
The northern escarpment is deeply serrated, having been carved up by watercourses over millions of years. Watercourses include Jamison Creek, Valley of the Waters Creek, Gordons Creek, Leura Falls Creek, Kedumba River and Causeway Creek. There are also numerous waterfalls, including Wentworth Falls, Empress Falls, Vera Falls, Gordon Falls, Leura Falls and Katoomba Falls.Katoomba Topographic Map, 8930-1-S, Land and Property Information, New South Wales
The valley is densely forested, with eucalypt forest over most of its expanse and occasional pockets of semi-rainforest in gullies, where water is concentrated.
A track also goes west around to the Ruined Castle and Mount Solitary. The track continues across the mountain but is patchy and suitable only for experienced walkers.Sydney and Blue Mountains Bushwalks, pp. 225-228 It is possible to then go up to Kings Tableland and into Wentworth Falls, making a trek of at least three days. The tracks closer to the escarpment are suitable for one-day walks. Mount Solitary is used mostly for camping trips, although some walkers have been known to make one-day walks to the mountain. In this part of the valley there was formerly a sewage treatment plant, not far below the northern escarpment. It was serviced by a dirt road that went up to Kings Tableland and thence to Wentworth Falls town. The plant was closed down in the 1990s, but the service road remains and can be used by bushwalkers.
The Three Sisters, which are on the northern escarpment of the valley, are one of Australia's most-photographed landmarks. Australia's Most Photographed Landmarks PictureStore
The Giant Stairway walking track runs down a cliff into the Jamison Valley, near the Three Sisters, providing access to nature walks through the valley.
The Great Western Highway is the main road that is proximate to the Jamison Valley.
Katoomba Airfield is also located about by road from the Katoomba Central Business District. The airfield is currently closed to airplanes and helicopters. The site remains available for use by emergency services.
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