The Mount Kosciuszko Summit Walk is a popular 11.4-mile out-and-back trail in New South Wales, Australia. It's considered challenging but totally worth it for the stunning views along the way. The trail takes you to the peak of Australia's highest mountain, with a mix of terrain and some beautiful alpine lakes to admire. Just be prepared for changing weather conditions, especially in winter when snow can make the hike more difficult. Overall, it's a great day hike for those looking to experience the beauty of the Australian alpine region.