The ski resorts of Thredbo, Selwyn snowfields, Perisher and Charlotte Pass lie within the park. Jindabyne is a service town for Australia's highest ski resorts&colon; Perisher, Thredbo and Charlotte Pass. It provides access to the snowfields at Blue Cow Mountain and the Perisher Valley. In 1991, he researched anterior cruciate ligament injuries at the Perisher ski fields. Blue Cow is one of the four resort bases within Perisher, Australia's largest ski resort. The highest Post Office is located in Perisher Ski Resort at 1720m above sea level. Smiggin Holes is one of four villages making up the Perisher ski resort. In the winter of 1953 the first oversnow transport operated to Perisher Valley. Development continued and Mount Perisher Double Chair was opened in 1961. Development continued and Mount Perisher Double Chair was opened in 1962. Would-be submarine captains went through the Submarine Command Course, known as the Perisher. The summit of Mount Perisher above the village reaches of altitude. Perisher Valley is situated at above sea level. The highest lifted point is the Mt Perisher Double Chair at 2034m. Droga grew up in Perisher Valley, Australia, the fifth of six children.