Sports Info Japan
- Features sports updates from ongoing tournaments and news in Japan.
- http://www.t3.rim.or.jp/~sports/

Sail Japan
- An English guide to sailing in Japan, promoting sailing to the foreign community. With directories, forums, news and useful information.
- http://www.sail-japan.info/

Japan English-Language Golf Course Guide
- This site describes the world's only English-language comprehensive guide to Japanese golf courses where non-Japanese players are always welcome.
- http://www.japangolfcourses.com/

Japan Dance Sport Federation
- Information on amateur and pro ballroom dancing in Japan, studios, and competitions.
- http://www.jdsf.or.jp/

Japanese Alpine Club
- With history and membership information.
- http://www.jac.or.jp/english/jac_e.htm

Zen Nippon Airinkai
- The world wide Koi Carp Keepers Society of Japan.
- http://www.zna.jp/english/

Flavon's Wild Herb and Alpine Plants
- A bilingual guide to photographs of Japanese wild flowers and plants in the Japanese Alps.
- http://www.alpine-plants-jp.com/

The Japan Biker F.A.Q. -- Motorcycles, Touring, Racing and Riding in Japan.
- Complete FAQ on motorcycle riding, traffic issues, legalities, and other important concerns in Japan.
- http://www.thejapanfaq.com/bikerfaq-toc.html

Japan Gymnastic Association
- Information on gymnastics of all kinds in Japan, including results, news, and events.
- http://www.jpn-gym.or.jp/english/

Women's International Motorcycle Association, Japan
- Japan chapter of international club, with outline, messages, and benefits.
- http://www.wima.gr.jp/english/

Outdoor Japan
- Outdoor activities, travel destinations, sporting activities, hot springs, nature, events, and features.
- http://www.outdoorjapan.com/

Kumagaya Sanryou-Kai Mountaineer's Club
- About the club. Membership information. Trip reports and photos.
- http://www.ksky.ne.jp/~kumagai/English_index.html

Ski Japan Guide
- A comprehensive guide to skiing and snowboarding at over 700 resorts. Updates daily; with articles and forums.
- http://www.skijapanguide.com/

The Japan Philatelic Society
- The only national organization for stamp collectors in Japan.
- http://yushu.or.jp/english/e_sys/

Japan Science Fiction Conventions Listing
- Links to upcoming conventions, with both English and Japanese pages.
- http://www.mmjp.or.jp/sfmra/db/events/