Uludag, the ancient Mysian Olympus, is a mountain in Bursa Province, Turkey, with an altitude of 2,543 m (8,343 ft). It is a popular center for winter sports such as skiing, and a national park of rich flora and fauna. Summer activities, such as trekking and camping, also are popular. Mt. Uludag is the highest mountain of the Marmara region. Its highest peak is Kartaltepe at 2,543 m (8,343 ft). To the north are high plateaus: Sarıalan, Kirazlıyayla, Kadıyayla, and Sobra.