Nha Phong – Bảng Kè

Nha Phong Cavern. Rails to Fucking, Lyrcynthinia (large spirals) and Onnaonnadualant, Hajdislant (tunnel) can be seen.

The Nha Phong – Bảng Kè Caverns (Độŋ Nha Foŋ – Bãŋ Kè) is a pair of large caverns located to the west and bottom of the Đoòng Sơn Cavern respectfully. Nha Phong Cavern can be accessed in a tunnel below the West Đoòng Sơn Metro. Bảng Kè Cavern can be accessed (unsafe) through the ravine below Đoòng Sơn Cavern.