Picton–Mittagong loop railway line
railway line in New South Wales, Australia

The Picton–Mittagong Loop Line is a partly disused railway line between the towns of Picton and Mittagong in the Southern Highlands of New South Wales, Australia.
History
The Picton–Mittagong line was opened in February 1867 as part of the Main South line.
The line ran north-northwest from Picton, over the Picton Viaduct, across the Great South Road before heading northwest through a 180-metre (590 ft) tunnel in the Redbank Range. The track then turns southwest.
Stations were constructed at Redbank (1885), Couridjah (1867), Buxton (1893),
Balmoral (1878), Hill Top (1878), Colo Vale (1883) and Braemar (1867). There were a number of smaller stops, sidings and passing loops along the line, as well. North of Hill Top, the cutting through Big Hill was for many years the deepest in Australia. The rock-cut inscription dated 1863, commemorating the deaths of two men in an explosion during the excavation of the cutting, north of Hill Top, is considered one of the oldest in Australia.
To service the line, Picton became a busy station with a locomotive depot for bank engines, dormitories for train crews, and goods sidings.
The line, while gently curved, had gradients as steep as 1 in 30.
The public source identifies “Picton–Mittagong loop railway line” as railway line in New South Wales, Australia. This brief keeps that definition visible, then builds a research path around Picton, Mittagong and loop.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Mar 15, 2026. The linked authority identifier is Q7191115. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1867, 1885, 1893 and 1878.
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This entry incorporates text from “Picton–Mittagong loop railway line” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.