Harris Creek Reserve topographic map

Average elevation: 525 ft

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Thornleigh is bounded to the north by Waitara Creek and south by the Lane Cove National Park. Thornleigh borders the suburbs of Normanhurst, Hornsby, Wahroonga, Westleigh and Pennant Hills. Thornleigh offers great district views, and the topography varies greatly with many established areas built around…

Average elevation: 522 ft

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Berowra is located 44 kilometres north of the Sydney CBD and lies at an altitude of 215 metres. Surrounded by bushland, it borders the national parks of both the Berowra Valley and Ku-ring-gai Chase.

Average elevation: 472 ft

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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…

Average elevation: 499 ft

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Average elevation: 259 ft

Average elevation: 26 ft

Owing to its elevation and close proximity to the ocean, as well as its extensive tree canopy cover, the weather station at Terrey Hills records the mildest temperatures of any weather station in the Greater Sydney region. Under Köppen's scheme, the suburb has a borderline humid subtropical (Cfa) and oceanic…

Average elevation: 479 ft

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Average elevation: 82 ft

The park includes areas of land which are part of Ku-ring-gai, Ryde, and Hornsby local government areas with small areas of the park in Willoughby, Lane Cove and Hunter's Hill local government areas on the banks of the lower reaches of the river. The park is surrounded on all sides by developed suburban areas…

Average elevation: 266 ft

Average elevation: 151 ft

Ku-ring-gai Chase is part of the Hornsby Plateau, a massive block of sandstone tilting upwards to the north. The park comprises a plateau with an elevation of generally 150–200 m above sea level. Between 250 and 200 million years ago, sand silt and mud was deposited by rivers across flood plains. These…

Average elevation: 272 ft

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Average elevation: 30 ft

Average elevation: 292 ft

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Woodford is a village in the Blue Mountains in New South Wales, Australia, about 90 kilometres west of Sydney. Its elevation is 609 metres (1,998 ft) above sea level. It is situated on the Great Western Highway and has a railway station (opened in 1868 as Buss's Platform) on the Main Western railway line…

Average elevation: 1,785 ft

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Average elevation: 66 ft

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Average elevation: 190 ft

Established in 1836, Smithfield was the first major settlement of the Fairfield LGA. The original 1838 summary plan of Smithfield shows the suburb laid out in a grid pattern with most of the streets having the same names as they do today. Its altitude ranges from 21 to 48 m (69 to 157 ft) above sea level.…

Average elevation: 108 ft

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Average elevation: 322 ft

Average elevation: 548 ft

Average elevation: 236 ft

Gregory Hills is a suburb of Sydney in the state of New South Wales, Australia in Camden Council. The suburb was assigned on 1 August 2008. The suburb was named from the topography of the local area and from the original St Gregory's Chapel on the Marist Brothers land.

Average elevation: 358 ft

Average elevation: 305 ft

Average elevation: 105 ft

Average elevation: 39 ft

Average elevation: 282 ft

Prior to the 1920s, the suburb was known as Suspension Bridge reflecting the now Long Gully Bridge that joined Northbridge to Cammeray. Cammeray was slow to develop mainly due to its steep topography and remoteness from transport.

Average elevation: 217 ft

Average elevation: 285 ft

Average elevation: 95 ft