Hoang Su Phi's terraced fields in harvest season. (Photo: VNA/VNS)

The event, the sixth of its kind, will feature a cultural festival of local Mong ethnic people and off-road races in Vinh Quang township, along with a paragliding contest over the fields.

It will also feature a market in the mountainous region and introduce products and socio-economic achievements of the local people at an exhibition.

Hoang Su Phi district is known for picturesque terraced fields spanning 3,000 ha. The terraces are said to be around 300 years old and were recognized as a national heritage site in 2012.