Easy Access - One Hour from Tokyo! Karuizawa is Japan’s premier four season mountain resort.
By train from Tokyo
Karuizawa can be reached from Tokyo in 65-80 minutes by the JR Hokuriku Shinkansen. The one way journey costs about 5,500 yen and is fully covered by the Japan Rail Pass, JR Tokyo Wide Pass and several other JR passes. At 10,000 yen, the JR Tokyo Wide Pass, in particular, already pays off for a round trip.