Tuyen stands for stream, Lam stands for forest. Tuyen Lam is a place for water and tree meeting each other. The lake and its campus have fresh air, tranquil atmosphere and diversified natural landscape.Highlights of Tuyen Lam Lake. Tuyen Lam Lake is the largest freshwater lake in Da Lat with an area of 350 hectares. The mother of nature is affectionate towards Tuyen Lam Lake with a majestic wild beauty that not all lakes have.