The cabins are basic but have hot-spring water pumped in, and the resort grounds are surrounded by a lush forest and are nicely maintained. Room rates include free use of the nude segregated hot-spring pools (otherwise per person NT$220). The simple campground has hot showers but can be noisy when a big student group is staying. Weekday discounts of 25%.
Tenglong (which looks like a little village as you drive past) is reached by a small side road and bridge across from the King's Resort & Spa. In summer the resort grounds swarm with swallowtail butterflies.