Tahmoor is a small town in the Macarthur Region of New South Wales, Australia, in Wollondilly Shire. Originally named Myrtle Creek, it was a farming area on the Great Southern Road, later named the Hume Highway.
Population: 5,067 (2016 census)
Postcode(s): 2573
Elevation: 275 m (902 ft)
Location: 97 km (60 mi) SW of Sydney CBD · 31 km (19 mi) NE of Mittagong · 59 km (37 mi) NW of Wollongong