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Sydney, New South Wales
View of Bobbin Head from the Kalkari Visitor Center
|Population||7,106 (2011 census)|
|Location||29 km (18 mi) north of Sydney CBD|
region: upper north shore
Mount Colah is 5 km north of Hornsby, the nearest major town centre. It is one of the most northerly suburbs of Sydney and is where the "Welcome to Sydney" sign is located. Mount Colah is the second highest suburb in Sydney by elevation. Considered one of Sydney's leafier suburbs, streets are clustered around the Pacific Highway. Mount Colah is bordered to the east by the Ku-ring-gai Chase National Park.
Mount Colah was originally known as Colah - the name first used by naturalist George Caley to describe a koala in a letter to botanist Sir Joseph Banks. When Hornsby became a shire in 1906 the name was changed to Mount Colah. Colah Post Office opened on 29 September 1905 and was renamed Mount Colah in 1906.
The F3 Sydney-Newcastle Freeway was built through Mount Colah in 1988 and opened in March 1989. In the process it cut through an old World War II gravel airstrip, and isolated 2 holes of the Asquith Golf Course just to the south. Some World War II building remnants are still visible nearby.
Mount Colah was voted "Australia's Best Suburb" through an online poll conducted by Ninemsn in 2010.
The Pacific Highway and Ku-ring-gai Chase Road are the main arterial roads in Mount Colah. The F3 Sydney-Newcastle Freeway runs along the eastern side of the suburb. The F3 has an entrance / exit at Mount Colah towards Sydney. This is the scene of many traffic jams if accidents occur between Mount Colah and Berowra.
A small group of shops is located on the Pacific Highway. The group includes a variety of small retailers, restaurants and food stores, as well as a truck stop that has been servicing locals and truck drivers detouring from the F3 since the 1950s, plus a doctor's clinic, dental clinic, newsagent and a pharmacy that combines postal services. To the east of the railway station lies a community centre and primary school.
Mount Colah Public School is on the eastern side of the railway line. The school was built in 1953, and replaced an asparagus farm. It is a primary school, catering for K-6 students. The (recently constructed) school hall acts as the suburb's polling place for voting in local, state and federal elections.
Street names in the most northern part of Mount Colah are associated with the Arthurian Legend such as: Sprigg Place, Arthurs Circle, Merlin Close, Excelsior Road, Round Table Close, Excalibur Close, Gareth Close, Galahad Close, Lancelot Street and Camelot Close. All of these streets either branch off from, or are accessed via, Excelsior Road, which itself follows a ridgeline.
Nearby the streets are named for flora, such as Foxglove Road, which was named for the flowers that were once grown in the area. Other similar street names there include Red Cedar Drive, Acorn Place and Chestnut Street. Foxglove Oval replaced a small land fill area, and caters to various field and track sports as well as other competitive community level sports.
The next closest name theme is explorer based. For example, a few are Hume Place, Flinders Place, Burke Place and Eyre Place.
On the east side of Mount Colah the streets running east to west bear names of adjoining suburbs: Colah Road, Cowan Road, Berowra Road, Kuring-gai Chase Road. Running north to south they follow a botanical theme, Neridah Avenue, Telopea Street and Myall Avenue are all Australian botanical species names.
- Mount Colah has three playing fields where most organised sports are played these being Berry Park, Foxglove Oval and Parklands Oval.
- Mount Colah Soccer Club was founded in 1958 and has over 500 soccer players playing in the Ku-ring-gai and District Soccer Association (KDSA).
- Mount Colah Cricket Club  known as The Mustangs are the local cricket team with cricket pitches at all the three playing fields.
- Athletics is played at Foxglove Oval with it being the base for the Northern Districts Little Athletics  during the summer.
- Cycling is a popular activity with Mount Colah being on a popular cycling route which includes Ku-ring-gai Chase Road and cycle lanes on the Pacific Highway. The Bush to Bridge  is a commuter club which cycles from Mount Colah to the City.
- Golf is played at the Asquith Golf Course  which is entered through Lord Street, Mount Colah.
- Australian Bureau of Statistics (31 October 2012). "Mount Colah (State Suburb)". 2011 Census QuickStats. Retrieved 7 November 2012.
- Entry in Explore Oz
- Premier Postal History. "Post Office List". Retrieved 1 June 2012.
- Australia's Ten Best Suburbs
- Mount Colah Football Club http://mtcolahfc.org.au/
- Mount Colah Cricket Clubhttp://www.mountcolahcc.com/
- Northern Districts Little Athletics http://www.ndlac.org.au/
- Bush to Bridge http://hornsby-advocate.whereilive.com.au/news/story/andrew-munkman-leads-mt-colah-bush-to-bridge-cyclists-on-daily-city-commute/
- Asquith Golf Course http://www.asquithgolfclub.com.au/