Located 90 km north-west of Hanoi, Tam Dao
is a mountainous range with three peaks Thien The, Thach Ban and Phu Nghia running on 50km trip, situated in the boundary of three provinces of Thai Nguyen, Vinh Phuc
and Tuyen Quang. With the beautiful scenery, it has been an ideal place for lovers of trekking.
Tam Dao is affected by tropical humid monsoons. The average temperature during the year is 22.9°C. The mean humidity is about 84%. The vegetation cover is representative of five types of tropical forest. The flora consists of 904 species classified into 478 geniuses and 213 families of high plants, 64 of which are listed in Vietnam's Red Book. The rich fauna includes 307 species, 56 of which are registered in Vietnam's Red Book (22 mammal species, 17 reptile species, 9 bird species, 7 amphibian species and the remainder of insects).
The Tam Dao is easily recognized with its 3 peaks which look like three islands standing out of a cloudy mass. Its highest peak is 1.592m. Tam Dao tourist area is located at altitude 879m with majestic mountainous scenery in a round valley of 64 ha large, including Silver waterfall , Xa Huong Lake, Tam Dao National Park, Television Station tower, French Cathedral, Rung Rinh Peak and a one-storied wooden boarding house built on where French villas used to be surrounded by mountainous range to meet the holiday resort demand and the scientific workshop accommodation for thousands of attendants.