Perisher, is a valley formed below Mount Perisher, a mountain that is located in the Snowy Mountains of New South Wales, Australia.

Located in the Snowy Monaro Regional Council, the valley is the site of one of four resort bases of the Perisher Ski Resort, which also comprises Guthega, Blue Cow and Smiggin Holes. It is located within the Kosciuszko National Parkbetween Jindabyne and Charlotte Pass on the Kosciuszko Road. Access to the Valley is via the Skitube Alpine Railway or by road. Although it is primarily a winter only resort village, year round accommodations are available, including great tours, and bush walks

Perisher (known as Perisher Blue until 2009) is the largest ski resort in the Southern Hemisphere. Located in the Australian Snowy Mountains, the resort is an amalgamation of four villages (Perisher Valley, Smiggin Holes, Guthega, and Blue Cow)) the area is covered by 240 snow guns, which are used to artificially supplement the natural snowfall. Perisher was acquired by Vail Resorts, United States on March 30, 2015 for a sum of approximately AU$177 million.

The resort is accessible by road and by the Ski tube, Australia's only underground rack railway. The main skiing period is in July and August, with the official season running from the second weekend in June to the first weekend of October. Perisher consists of 47 lifts: The Village Eight Express, an eight-seater chairlift (built in 2003), two high-speed quad detachable chairlifts, five fixed-grip quad chairlifts, four double chairlifts, two triple chairlifts, 21 T-Bars, three J-bars, seven ski carpets, and 2 rope tows. The run difficulties are graded 22% beginner, 60% intermediate and 18% advanced.