KAMIKOCHI is car-free resort. Private car is allowed until SAWANDO沢渡 or HIRAYU平湯.
Therefore please change from car to bus or taxi at SAWANDO or HIRAYU.
Shuttle Bus runs every twenty minutes.
Round-trip ticket is 2,000 yen. Car parking fee is 500 yen par day.

Please check also following page.
http://www.kamikochi.or.jp/english/access/

HOW TO GET TO KAMIKOCHI BY TRAIN AND BUS