Iznik Lake is Turkey's 5th largest and largest in the Marmara Region. It is an important wetland and source of fresh water providing benefits from fishing, irrigation, and daily use. Su Uçtu Waterfall is 38 meters deep located 10km from Mustafa Kemal Pasa, and is a popular picnic spot. Saitabat is situated 12km from Bursa surrounded by oak trees at the foot of Uludag, a meeting spot for extreme sports near waterfalls. The 82 meter high Nilüfer River rock-fill dam required 3 million cubic meters of fill and a 3.5 meter diameter, 900 meter long diversion tunnel to provide water for Bursa. Demirta