HAPPINESS ROAD OVER MA PI LENG Ma Pi Leng belongs to Ha Giang province. It is known as the most dangerous road with 20km length. Over Ma Pi Leng, there has a mountain with 2000m height located on the “Happiness Road” which connects Ha Giang, Dong Van and Meo Vac town. Ma Pi Leng began building from the 60s of the 20th centuryby workers who almost are the H’mong. The path length is approximately 200 kilometers. Ma Pi Leng Pass is located in the Dong Van Geoparks which is recognized as the global geoparks. The road along the mountainside has romantic, spectacular scenery that is ideal destination for tourists. Ma Pi Leng is not long but it is the most dangerous pass in the northern border mountain area. It is considered as the “King” of the Vietnam’s pass or Great Wall of Vietnam or Pyramid of the Meo. At the top of Ma Pi Leng mount is the “Happiness Road”, there has a stone stele recording the marks in the construction process. November 16th 2009, Ministry of Culture, Sport and tourism of Vietnam has decided to classify Ma Pi Leng area as scenic relic of cuntry. It includes: Ma Pi Leng Pass is consedered the unique regional heritage about landscape and geomorphology