The remote and beautiful Oku-Hida Onsen Villages are less than an hour away by bus.
Shirakawa-go, with its beautifully preserved villages and open-air museum, is memorable. Stay in one of the old-time farmhouses. Reached by a 2-hour scenic bus ride from Takayama.
Gero Onsen, one of Japan's three famous hot-springs, is just a short ride away down the JR Takayama line.