If you are planing to go around Haokone, this is a secret place to be at.
About Onshi Hakone Park
http://www.kanagawa-park.or.jp/onsisite/english.html
Onshi-Hakone-Koen Park is distinguished by the beauty of Lake Ashinoko, Mount Fuji, and the mountains which surround the park. In every season, those who come to the park are impressed by the grace of the landscape, and enchanted by the abundant nature. We hope that visitors to this park will explore the meandering paths, and discover for themselves why Hakone is renowned throughout japan.