The locations surveyed by BCRA are Bo Trach, Quang Ninh and Minh Hoa districts. Through the survey, 12 new caves have been discovered including: Hang Doc Co (554,6 m long), End Cave (51,5m long), Dry Vom (413m long) in Bo Trach district; Nuoc Ngam (3,872m long), Nuoc Lan 3 (1,919m long), Hung Thoai (460m long), Coincidental Cave (100m long) in Quang Ninh district; 3 Horned Viper or Phu Nhieu 2 (194.8m long), Phu Nhieu 4 (2,012m long), Cha Ra (314m long), Thoang Lip (137m long) in Minh Hoa district. The total length of newly discovered and measured caves this time is 10,491m.

Especially, in this cave survey of BCRA, Quang Ninh district discovered a cave of nearly 4 km long and some other underground river caves.

Quang Binh Portal