The image of terraced fields is always a beautiful image in Bac Sum pass, charming tourists and many photographers passionate about discovering.

Heaven's Gate in Quan Ba once had a giant door built in 1939 of crushed wood, up to 15cm thick - a unique feature that cannot be found anywhere else. However, today that door no longer exists because it cannot overcome the harsh sun and rain in this land. Heaven's Gate with the name seems to take visitors one step up into the clouds to reach the sky that many people want to conquer. Usually a very far away and high place where the sky and earth meet. In addition, it is also a place where good and receptive energies converge. This is a famous landmark of Ha Giang with an altitude of over 1500m, about 43 km from Ha Giang city. The Heaven Gate is located between two mountain peaks and is low enough for a road to pass through and is also the beginning of the happiness road, the first gateway of Ha Giang. Standing on the mountain, you can see the panoramic view of the northeastern mountains and forests.

Explore the wonderful beauty of Fairy Bosom Mountain. Visitors to the mountains are not only fascinated by the shape of the twin mountains, but the surrounding space is also a masterpiece of nature. Terraced fields mixed with undulating mountain ranges seem to paint a more vivid picture of nature. Legend has it that there was a Mong man who was talented at playing the harp. Win the heart of a heavenly fairy named Hoa Dao. She found a way to stay in this land. They gave birth to a handsome baby boy. But Jade Emperor sent someone to pick her up. Feeling sorry for her husband who struggled to raise the child alone, and feeling sorry for the child's lack of breast milk, she removed her breast to breastfeed the child. A pair of plump breasts nourished her growing child, which later turned into two mountains shaped like her mother's breasts - called Fairy Bosom Mountain. Thanks to her milk, this land has an extremely cool climate, delicious fruits, fresh vegetables, and lush rice and corn.