Cycling
Bicycle for Everyone's Earth Japan, Cyber Extreme Biking, Japan Cycling Navigator, Kancycling
Japanese Chess - Shogi
Computer Shogi Association, Shocky, Shogi - Japanese Chess, Shogi Club 24, Shogi Rules, Shogi.Net Homepage, Shogi: Japanese Chess
Sports
Baseball, Diving, Hockey, Sumo, Inline Skating in Japan, Japan English-Language Golf Course Guide, Japanese Gymnasts, Sail Japan, Sports Info Japan
Flavon's Wild Herb and Alpine Plants
A bilingual guide to photographs of Japanese wild flowers and plants in the Japanese Alps.
Grognards Japan
A nation wide games club for wargames, roleplaying games, chess, shogi, igo, strategy and board games.
Japan Dance Sport Federation
Information on amateur and pro ballroom dancing in Japan, studios, and competitions.
Japan Gymnastic Association
Information on gymnastics of all kinds in Japan, including results, news, and events.
Japan Science Fiction Conventions Listing
Links to upcoming conventions, with both English and Japanese pages.
Kumagaya Sanryou-Kai Mountaineer's Club
About the club. Membership information. Trip reports and photos.
My Mountain Photo Diary
Shows 3D versions of over 100 popular mountains for climbing.
Outdoor Japan
Outdoor activities, travel destinations, sporting activities, hot springs, nature, events, and features.
Ski Japan Guide
A comprehensive guide to skiing and snowboarding at over 700 resorts. Updates daily; with articles and forums.
The Japan Biker F.A.Q. -- Motorcycles, Touring, Ra
Complete FAQ on motorcycle riding, traffic issues, legalities, and other important concerns in Japan.
The Japan Philatelic Society
The only national organization for stamp collectors in Japan.
Women's International Motorcycle Association,
Japan chapter of international club, with outline, messages, and benefits.