Phong Nha Guide: Caves, Costs and How Long to Stay (2026)
Phong Nha is the biggest thing most Vietnam itineraries skip. Under the jungle karst of Phong Nha-Ke Bang National Park — UNESCO-listed since 2003 — lies the greatest concentration of giant caves on Earth, including the largest one we know of. Above ground it is a river valley of buffalo, peanut fields and farmstays that … Read more