http://www.olc.org.tohoku.ac.jp/

http://www.katch.ne.jp/%7En-nagai/aiti/syouryuu.htm

http://www.orienteering.com/~shizuoka/SpecialInfo_2.html

http://www.orienteering.com/~tokyo/

http://matoba.dip.jp/lapcenter/index.jsp?event=607

http://matoba.dip.jp/lapcenter/index.jsp?event=606