http://www.geocities.co.jp/Outdoors/9844/kentai/index_sub.html
http://www.canoe.or.jp/tournament/2007/2007japan1st.html
http://www.google.co.jp/maps?ie=UTF8&z=18&ll=34.907534,132.634007&spn=0.00293,0.003514&om=1