Lam Dong is in the year of the region Tay Nguyen, Vietnam, the time is a year of the region of Tay Nguyen, Vietnam, the time is an area of ​​the big top 7 all water, next to the area An important economic point in the south. Located on the highest plateau of the Central Highlands is Lam Vien - Di Linh with an altitude of 1500 meters above sea level and is the only province in the Central Highlands that does not have an international border. The provincial capital is Da Lat city, located 300 km northeast of Ho Chi Minh City, 658 km south of Da Nang city, 1,414 km from Hanoi capital along National Highway 1A In 2010, Lam Dong was The first province of the Central Highlands has 2 cities directly under the province (Da Lat, Bao Loc). Lam Dong belongs to the South Central Highlands, with geographical coordinates from 11˚12'-12˚15' north latitude and 107˚45 ' east longitude[5]. It borders Khanh Hoa province to the northeast, Ninh Thuan province to the east, Dak Nong to the west, Dong Nai and Binh Phuoc provinces to the southwest, Binh Thuan province to the south and southeast, and Dak province to the north. Lak in the North[6].

To the north of the province is the Yang Bong mountain range with a peak of 1749 meters. The southern mountain range has the peak of Dan Sena 1950 meters high, Lang Biang peak 2163 meters high, Hon Giao 1948 meters high. South of the two mountain ranges is the Lang Biang Plateau, on which the city of Da Lat is located at an altitude of 1475 meters. In the east and south of the province, there is the Di Linh plateau 1010 meters high, the terrain is quite flat and densely populated, is the headwater of the La Nga River. Due to the influence of the tropical monsoon climate that varies with altitude, Therefore, Lam Dong's climate is divided into 2 separate seasons: the rainy season and the dry season. The rainy season usually starts from May and lasts until November, the dry season from December to April next year. Temperature also varies markedly between regions, the higher the altitude, the lower the temperature. The province's average annual temperature ranges from 18 - 250C, the weather is mild and cool all year round, there are usually few big fluctuations in the annual cycle. The average rainfall is 1,750 - 3,150 mm/year, the average relative humidity for the whole year is 85 - 87%. Especially, Da Lat in Lam Dong has a subtropical alpine climate right in the typical tropical savanna climate and is not far from major urban centers and densely populated plains.

Located in the Dong Nai river system, with abundant water resources, quite dense stream network, huge hydropower potential, with 73 reservoirs and 92 dams. Rivers and streams in Lam Dong are distributed fairly evenly, most rivers and streams flow from the northeast to the southwest, most of the rivers and streams here have quite small basins and many rapids upstream.