Vietnam’s Cave Kingdom, the Quang Binh province, is not only home to some spectacular caves but it’s also the residence of unexplored primary jungle, spiring karst mountains, sparkling rivers, and tumbling waterfalls. The scenery is inspiring and the natural environment provides an escape from the usual bustle of life. Our La Ken Jungle Challenge is a tour designed for those intrigued by these elements of nature, with fewer cave jaunts