Marble Mountains (Ngũ Hành Sơn, ‘five elements mountains’) is a cluster of five marble and limestone hills located in Ngũ Hành Sơn District, south of Da Nang city in Vietnam. The five mountains are named after the five elements: Kim (metal), Thủy (water), Mộc (wood), Hỏa (fire) and Thổ (earth).

All of the mountains have cave entrances and numerous tunnels, and it is possible to climb to the summit of Mount Thủy. Several Buddhist sanctuaries can also be found within the mountains, making this a tourist destination. The area is known for stone sculpture making and stone-cutting crafts. Direct rock extraction from the mountains was banned recently. Materials are now being transported from quarries in Quảng Nam Province.

Below is a selection of photos taken during a visit to the Marble Mountains on May 24, 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.