Outdoor, Slope, and Grass A sustainable lodge in Sapa, north Vietnam, Topas Ecolodge is an ideal base for exploring the Hoang Lien Son mountain range and meeting the people of the illusive hill tribes who live in the villages in the region. The simple but pretty rooms all come with balconies that offer stunning views of the mountainous landscape.  Photo 9 of 13 in Hide Out in One of These Asian Retreats That Are Immersed in Nature