Lonely Planet ( Destination information, hotel bookings, traveller forum and more.

Japan National Tourism Organization ( Official tourist site with planning tools and events calendar; download its useful Japan Official Travel App.

Navitime Travel ( Tourist info; get its app, Japan Travel, for working out transit routes.

Japan Meteorological Agency ( Get up-to-the-minute weather advisories – a must before heading out on hikes (especially during typhoon season).