Explore the reconstructed castle and gardens; main buildings usually open 9:00–4:30 (confirm seasonal hours). It's a compact introduction to regional history and views.
Board the scenic Hida Limited Express from Nagoya Station to Takayama; train runs through mountain valleys—approx. 2.5–3h (check timetable and reserve seats in winter).
Stroll the preserved Edo-period streets with timber merchant houses, sake shops and crafts; open-air exploration year-round and especially scenic with winter light.
Take the regional bus from Takayama Bus Terminal to Shirakawa-go (approx. 50–60 minutes); buses run regularly but buy tickets early in winter weekends.
Have breakfast and catch the limited-express trains southeast toward Matsumoto—plan ~3 hours travel time (check exact connections and seat reservations).
Tour one of Japan’s finest original castles (keep in mind winter hours roughly 8:30–17:00); interior wooden floors and views from turrets are highlights.
Take the Nagano Dentetsu train or JR + local bus to Yudanaka/Shibu Onsen area; then a short bus to the Jigokudani trailhead—total ~1–1.5 hours travel depending on connections.
Walk ~30–40 minutes from the bus stop through winter trails to see wild macaques bathing in hot springs; park is accessible in winter (wear warm boots).
Final photo opportunities and last-minute shopping at JR Nagoya Station and the Midland Square observation deck (check deck hours, often until early evening).