Okutama is a town located in a mountain valley at the western end of Tokyo.
From Narita Airport, take a Keisei express train to Nippori, then the Yamanote Line to Shinjuku, then the Chuo Line as listed below (3 hr. 30 min., ¥2,210).
From Haneda Airport, take the Tokyo Monorail to Hamamatsucho, then the Yamanote or Keihin-Tohoku Line to Tokyo, then the Chuo Line as listed below (2 hr. 30 min., ¥1,680).
Okutama is located at the end of the JR Ome Line. Although a few direct trains run from Tokyo and Shinjuku, the usual way to get there is to take a Chuo Line rapid service to Ome or Tachikawa, then change trains for Okutama at either Ome or Tachikawa. The trip from central Tokyo takes around 2 hours and costs about ¥1,200 one way.
Several buses ply the main routes in Okutama, and taxis and rental cars are also available around Okutama Station. The town itself and several mountain hiking areas are within walking distance of the station.
Okutama is home to many campgrounds, quite a few of which will allow you to pitch a tent for free.
There are a number of minshuku in the area, charging around ¥6,000 per night.