Mt. Fuji (富士山）
Mt. Fuji is one of the most popular mountains on earth, and there’s a plethora of information in English about hiking it. Rather than repeating what others have already said, I’d like to provide some useful links:
Fuji FAQs (Gary Wolff’s wonderful site covering a lot of the basic questions about Fuji)
Japan Guide (includes bus timetables and lots of other useful info.)
Japan Window (one man’s personal account of climbing the Kawaguchi route)
Mt. Fuji Explorer (includes detailed English descriptions of all the routes, in addition to full color maps)
Fujiyoshida City (detailed info. for the Yoshida Guchi route, including a live webcam)Yamanashi hikes (山梨県) comment below, or link to this permanent URL from your own site.