The Ha Giang Loop is a high-mountain route in northern Vietnam with steep passes, sharp bends, changing weather, and some of the most dramatic road scenery in Southeast Asia. The loop moves through limestone peaks, terraced fields, deep river canyons, small villages, and remote border country near China. It can also punish rushed planning. A good trip starts before the engine turns on. This guide covers the route, timing, transport choices, safety, packing, permits, and what