5km south of town on highway 20. Its clean green waters flow from the beautiful Tia Spring and from the Da Tam River, which flows down from Voi mountain. Its waters stretch over an immense 350 hectares and because of its various sources, Tuyen Lam is known as the lake where rivers, springs and forests meet. The lake was built in the 80s. It is one of the largest and most beautiful lakes in town. The other side of the lake is the Voi mountain which is a good place for hiking.