Phong Nha Cave is a cave in Phong Nha-Kẻ Bàng National Park, Quảng Bình Province, Vietnam. The Phong Nha cave, from which the name to the whole system and the park is derived, is famous for its rock formations which have been given names such as the ‘Lion’, the ‘Fairy Caves’, the ‘Royal Court’, and the ‘Buddha’. Phong Nha cave is 7729 m long but tourists can only penetrate to a distance of 1500 m.

Below is a selection of photos taken during a tour by boat over the river and through to the caves on May 28, 2015. Click on a small photo for a larger view, then select the next one with the cursor keys or the arrows on either side of the photo.