Flower Triangle circuit is characterized by the northern mountainous province by its simple wild beauty. Flowers bloom most often at the end of collection, late October and early November every year. The small flowers with petals bunch each other creating pyramid. It has three side triangle, in the middle is flower bud, the leaves also have pyramid that’s why people living here call flowers triangular circuit.  It is special if you have a chance to join with local people to get flour of kernel triangular circuit. They can make some delicious cakes or mix this flour with corn kernel to brew wine creating a special flavor.

        Otherwise, from 13th - 15th November, 2015, it's the first time Ha Giang’s government will organize the circuit triangle flower festival to attract people who love amazing landscape of limestone and the endless pink flowery fields. You can not resist your emotion when seeing the picture of innocence ethnic kids playing on the wild pinky field horizon. So charming!