With ancient sanctuaries, hot springs, mountains and beaches, the region surrounding Tokyo is a natural foil for the dizzying capital. Really, you couldn't design it any better if you tried.
Authentic country ryokan, regional cuisines and cedar-lined trails are all within two hours of central Tokyo, as well as the symbol of Japan itself, alluring Mt Fuji. There's history here too, including a medieval capital and ports that were among the first to open to the West. These are, for better or for worse, well-visited places and you'll find transport and communication to be a comparative breeze.
Ferries and flights also provide relatively fast access to the Izu Islands, but if you're really looking to get away from it all then set your compass for the World Heritage–listed Ogasawara archipelago that trickles some 1000km south from Tokyo and where you can spot whales, swim with dolphins and snorkel alongside green turtles and a rainbow assortment of tropical fish.
Read more: http://www.lonelyplanet.com/japan/mt-fuji-around-tokyo#ixzz3y9BXYkah