Tumbarumba ( tum-bə-RUM-bə) is a small town in New South Wales, Australia, about 480 kilometres (300 mi) southwest of the state capital, Sydney. Tumbarumba is located on the periphery of the Riverina and South West Slopes regions at the western edge of the Snowy Mountains. The 2016 census showed the population of the town and surrounding area to be 1,862 people. Locals refer to the town as 'Tumba'.
To the south and east, the highest peak of the Snowy Mountains and mainland Australia—Mount Kosciuszko—can be seen.