Vietnam coastline is long. At its narrowest point in the central Quảng Bình Province, the country is as little as across, though it widens to around in the north. Vietnam's land is mostly hilly and densely forested, with level land covering no more than 20%. Mountains account for 40% of the country's land area, and tropical forests cover around 42%. The northern part of the country consists mostly of highlands and the Red River Delta. Fansipan (also called as Phan Xi Păng) which is located in Lào Cai Province is the highest mountain in Vietnam, standing high. The Red River Delta
Phu Phan Mountains Kaen, Nong Bua Lamphu, Udon Thani, Sakon Nakhon, Nakhon Phanom, Kalasin, Roi Et, Maha Sarakham, and Mukdahan Province. The highest elevation of the Phu Phan Range is the 641 m high summit known as Phu Lang Ka. It is in Nakhon Phanom Province. Other important peaks are 624 m high Phu Mai Hia in Mukdahan Province and the 563 m high summit known as Phu Langka Nuea in Nakhon Phanom Province. The hills are mostly deforested, although patches covered with mixed deciduous forest remain in zones spread across the range. Phu Phan Royal Palace is in the area, as is