Castlereagh, New South Wales — interactive Google street map, satellite and terrain views, Street View, live local weather conditions and 7-day forecasts, real-time local and world news, and an editorial description of Castlereagh, in the Penrith City Council local government area.
| Locality | Castlereagh |
| State | New South Wales (NSW) |
| Local Government Area | Penrith City Council |
| Country | Australia |
| Timezone | Australian Eastern Time (AEST/AEDT) |
| Remoteness | Major Cities of Australia |
| Latitude | -33.68703 |
| Longitude | 150.67747 |
| Population | 1,148 |
| Density | 35.8 /km² |
| Area | 32.0 km² |
| Elevation | 20 m |
| Postcode | 2749 |
| Area Code | 02 |
| Distance to Sydney | 53 km west-northwest |
Castlereagh is a locality in the Penrith City Council local government area of New South Wales, Australia. It has a population of approximately 1,148. The locality covers an area of 32.0 km², giving a population density of about 35.8 people per km². It sits at an elevation of around 20 m above sea level. It lies approximately 53 km west-northwest of Sydney. Castlereagh is located at 33.6870°S, 150.6775°E. It observes Australian Eastern Time (AEST/AEDT). Postcode: 2749.
Castlereagh rests on the western fringe of the Sydney basin, a landscape where the gentle slopes of the Cumberland Plain begin to subtly rise, hinting at the more rugged terrain to come. It lies 11.7 km north of Glenmore Park, NSW (from Glenmore Park, NSW: bearing 358°T), and is situated 3.8 km north-west of Cranebrook. Here, the air often carries the scent of damp earth and eucalyptus, especially after a rain, a freshness that lingers long after the clouds have dispersed. The broad, fertile plains are crisscrossed by a network of creeks and the significant Nepean River, its banks often fringed with mature gums and casuarinas, providing a verdant contrast to the ochre tones of the soil. The light here, particularly in the late afternoon, can cast a warm, golden hue across the paddocks, softening the edges of the scattered rural properties and illuminating the dust motes dancing in the still air.
Historically, Castlereagh’s story is intertwined with the early agricultural ambitions of the colony, its rich soils proving ideal for farming and grazing. For generations, the land has yielded crops, and the rhythm of rural life, dictated by the seasons, has shaped the character of the locality. While the surrounding areas have seen significant urban expansion, Castlereagh retains a connection to its pastoral roots, with active agricultural enterprises still contributing to its local economy. The presence of the Nepean River has always been a defining feature, not just for its ecological importance but as a source of sustenance and a vital artery for transport and settlement in times past. This enduring connection to the land and its waterways imbues Castlereagh with a sense of deep-seated resilience and a quiet, enduring beauty.
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This page provides an interactive Google map of Castlereagh, New South Wales with street, satellite and terrain views and integrated Street View imagery. Live weather conditions with current observations and a 7-day forecast are powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while an editorially written description provides background on Castlereagh, in the Penrith City Council local government area.
Detailed location data for Castlereagh includes the postcode (2749), telephone area code (02), and local government area (Penrith City Council), with an ABS remoteness classification of Major Cities of Australia. These are among the most commonly searched location details for any Australian city, town or locality.
Location data is drawn from Geoscape Administrative Boundaries (GDA2020) and enriched with GeoNames and Australian Bureau of Statistics data, matched by coordinate proximity — ensuring the correct Castlereagh is identified even where the name is shared across multiple localities.
| Page generated | June 2026 |
| Location data | Geoscape Administrative Boundaries (GDA2020); enriched with GeoNames and ABS 2021 Census data, matched by coordinate proximity |
| Description | Editorial description generated with AI assistance from verified Geoscape, ABS and GeoNames location data. |