Planning a vacation to Yamanouchi in Japan? This vacation planner will provide you with all the essential information you need. This city is located in the close proximity of a major city Nagaoka, Japan. Attractions in Nagaoka include Echigo Hillside Park, Admiral Isoroku Yamamoto Memorial Museum, Ao-re Nagaoka. A holiday in Yamanouchi can generally be of 1-2 days.