The Kurdistan Region is largely mountainous, with the highest point being a 3,611 m (11,847 ft) point known locally as Cheekha Dar (black tent). Mountains in Iraqi Kurdistan include the Zagros, Sinjar Mountains, Hamrin Mountains, Mount Nisir and Qandil mountains. There are many rivers running through the region, which is distinguished by its fertile lands, plentiful water, and picturesque nature. The Great Zab and the Little Zab flow from the east to the west in the region. The Tigris river enters Iraqi Kurdistan from Turkish Kurdistan.