As part of the Son La hydroelectric reservoir area, Quynh Nhai has 10,500 hectares of water surface area forming a vast lake. The highlight of Quynh Nhai lake is that in the middle of the clear and calm blue water, there stands high limestone mountains reflected on the lake surface, creating a magnificent natural scenery. Coming to Quynh Nhai, visitors can enjoy peaceful space and fresh and cool air; experience boating, water volleyball, fishing, and fish massage.

Quynh Nhai tourism has been creating a distinct highlight of the Son La hydropower reservoir area, leaving a deep impression in the heart of every tourist whenever visiting the land.