· Walk the Ma Pi Leng cliffs and descend to the emerald Nho Que River, one of the most dramatic canyons in Southeast Asia
· Sleep in Dao, Tay and Hmong homestays in Ha Giang and Cao Bang, with rice wine, corn cakes and family dinners included
· Trek through the cloud forest of Phia Oac–Phia Den, a little-visited national park where the air is cool enough for a fleece
· Stand in the spray of Ban Gioc Waterfall at sunrise, before the day-trippers arrive
· Cycle or walk the Phong Nam valley: flat, green and very Dutch-friendly, as it happens
· Hike Pu Luong’s terraced rice valleys and sleep in a bamboo eco-lodge facing the mountains
· Enter the jungle of Phong Nha–Ke Bang, home to some of the largest cave systems on Earth
· Climb the old French hill-station paths of Bach Ma to Rhododendron Falls and the Five Lakes
· Finish on foot on Son Tra Peninsula, on the officially approved walking route to a centuries-old heritage banyan tree, with luck spotting the red-shanked douc langur