Mount Ba Vi has three peaks: the highest is Dinh Vua at 1,296 m, followed by Tan Vien at 1,226 m and Ngoc Hoa at 1,120 m. Because of the mountainous topography, the climate at Ba Vi varies with altitude. Above 500 m, fog enshrouds the top of the mountain on most days.
Ba Vi has a large river only, it is Da river on the western side of the national park. Streams in the international park are small and fast flowing. In rainy season, the volume of water flowing through these small watercourses and over the surface of the ground is sometimes sufficient to cause landslides. In the dry season, however, many of the streams are dry.
The natural forest at Ba Vi is mainly distributed at elevation above 600m. Most of them are evergreen forest, lower montane evergreen forest and lower montane mixed coniferous and broadleaf forest. Ba Vi has 812 species of vascular plant, several species were described for the first time from the site, for example Ixora balansae, Litsea baviensis and Lasianthus langkokensis. Also according to the investment plan, Ba Vi supports 44 mammal species, 114 bird species, 15 reptile species and nine amphibian species.
Ba Vi national park brings a lot of advantages for people here. For instance, medicinal plant collection is a major economic activity in the area. It is also an important source of income for local people, especial Dao people.
While French was here on colonial period, they used to make Ba Vi become a station, they also built about 200 villas. In addition, a road was built up the mountain to an elevation of 1,100 m. With the convenience of geographical location, favourable climate, and good infrastructure Ba Vi becomes more attractive to tourist. Ba Vi National Park is also an important site for education and scientific research. Further major tourism resorts are planned in and around the national park.