The mountain range that runs along the eastern coast of Australia is the Great Dividing Range. Stretching over 3,500 kilometers (2,175 miles), it is the longest mountain range in Australia. The Great Dividing Range separates the eastern coastal plains from the inland regions, influencing the climate and ecosystems of the area. It features diverse landscapes, from rugged mountains to lush rainforests and grassy plains. The range is also significant for its unique wildlife and serves as a popular destination for outdoor activities like hiking, skiing, and exploration.