Camping and Hostels

KOA Campgrounds

Stay at KOA on your next trip, and you'll know what we mean when we say "Great people. Great Camping."
http://www.koa.com/where/japan/

ToCoo

With over 831,000 members, 3,700 affiliated hotels, over 900 affiliated car rental outlets nationwide, and many other services available, the Japanese edition of ToCoo! Travel has succeeded in making domestic tourism a much more enjoyable and affordable leisure activity to the Japanese public.
http://www2.tocoo.jp/english/