A frozen pool and waterfall, on the way up Immortal Valley. Immortal Valley Loop, 2023/01/08 Our first visit to Immortal Valley in 2023 took us by frozen reservoirs, waterfalls, and all the way up to the top for views over the Miyun Reservoir—see 14 photos. Were you on this trip? How did you like it? We'd love to hear from you. • Send us feedback • Review it on TripAdvisor • Share this page on Facebook On the frozen reservoir at the bototm. ‘Ice features’ on the way up the valley. The big waterfall. A smaller waterfall. Hiking up to the top. Near the top. On the top. Views of the reservoir. Hiking down from the top. Photos by Betty.