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Mount Stromlo, as viewed from the Telstra Tower.
|Elevation||770 m (2,530 ft)|
|Location||Australian Capital Territory, Australia|
|Volcanic arc/belt||Laidlaw Volcanics|
|Last eruption||Silurian period|
Mount Stromlo (formerly Mount Strom) is a mountain with an elevation of 770 metres (2,530 ft) AHD that is situated in the Weston Creek district of Canberra, in the Australian Capital Territory, Australia. The mountain is most notable as the location of the Mount Stromlo Observatory. The mountain forms part of the catchment area of the Cotter River which in turn is the primary water supply for Canberra.
The rock on Mount Stromlo consists of ignimbrite from the Laidlaw Volcanics. This erupted in the upper Silurian period over the top of the Deakin Volcanics rhyodacite which is visible on the surface on the lower slopes in the east and southeast sides. The northern lower slopes are covered with a calcareous shale which is included in the Laidlaw Volcanics as it was deposited at the same time. This is cut off on the northwest side by the Winslade Fault, which heads north east to and . A spur fault heads off east from the Winslade Fault to under the Scrivener Dam. On the northwest and north side of these faults are middle Silurian period rhyodacite volcanic deposits from the Walker Volcanics. The northern side was uplifted compared with the southern side.
The summit of the mountain where the telescopes are located is elongated in a north-south direction, with a spur running to the southwest where the water treatment plant is situated.
The first telescope installed at Mount Stromlo was the Oddie telescope which was installed on 8 September 1911. The building housing this telescope was the first construction funded by the Commonwealth Government in Canberra. In January 1913 the first telephone was connected to the Queanbeyan telephone exchange.
Mount Stromlo was devastated by the Canberra bushfires of 2003. The fire, fueled by the pine plantation that covered the mountain, destroyed or badly damaged much of the observatory and water treatment plant.
Road access is via the Cotter Road on the south side, and Uriarra Road on the east and north. The summit is reached by a road joining Cotter Road just outside.
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Mount Stromlo is home to one of the finest and most well equipped mountain biking facilities in Australia. Prior to the 2003 bushfires, Mount Stromlo hosted some of the best and oldest mountain bike trails in Australia. In May 2006 extensive remedial work and trail reconstruction was commenced by World Trail in partnership with Canberra Off-Road Cyclists mountain bike club and the ACT Government. Stromlo Forest Park now includes more than 35 kilometres (22 mi) of cross country single trail, a Four-Cross course, several observed trials areas and a downhill track.
Mount Stromlo hosted the 2009 UCI Mountain Bike & Trials World Championships that attracted more than 30,000 visitors from up to 40 countries. The event involved more than 750 of the world's top riders who competed in the four mountain bike disciplines of Cross Country, Downhill, Four Cross and Observed Trials.
Mount Stromlo currently plays host to two large annual Mountain Biking events, the Scott Australian 24–hour MTB Championships in October, and the Mountain Bike Festival Australia in December.
In addition to the mountain biking facilities Mount Stromlo also boasts an event pavilion with office space and change rooms, a kids play area, BBQ's, a road cycling criterium circuit, a groomed grass cross country running track and equestrian trails.
- "Canberra, plan of city and environs. Plan shewing recommended distributing mains and initial supply [cartographic material] / Walter Burley Griffin, Federal Capital Director of Design and Construction ; drawn by Home and Territories Dept., Lands and Survey Branch, Melbourne. - Version details - Trove". trove.nla.gov.au. NLA. Retrieved 6 January 2016.
- "Calculating the origins of Mt Stromlo". Canberra Times. 17 March 2003.
- Henderson, G. A. M.; Matveev, G. (1980). Geology of Canberra, Queanbeyan and Environs 1:50000.
- Bhathal, Ragbir; Sutherland, Ralph; Butcher, Harvey (2013). Mt Stromlo Observatory. CSIRO Publishing. ISBN 9781486300754.
- Frame, Tom; Faulkner, Don (1993). Stromlo: An Australian Observatory. Allen and Unwin. ISBN 1-86508-659-2.
- Beatty, J. Kelly (23 July 2003). "Aussie Fires Destroy Mount Stromlo Observatory". SkyandTelescope.com.