Tam Dao is the ideal resort of the North. Tam Dao resort is located in the valley of Mang Chi, with an altitude of about 1,000 m, the average temperature from 18 to 25 degrees C. The name of Tam Dao is due to three high mountains Thach Ban, Thien Thi and Phu Nghia rises above the sea of ​​clouds. Standing in the middle of the sky, looking at the three "islands" rising above the clouds, we can understand why this cool land is called Tam Dao. Tam Dao resort was discovered and built by the French in the early 19th century. By 1940, Tam Dao was a "city" on high mountains with 145 high-class and splendid villas; Among these, there are 60 villas with different architectural styles. Now, the old villas are only ruins in ruins, in ruins, bare foundations, walls, underground works mixed with plants, moss, sunshine, rain ...