Meet at the ticket gate of MusashiItsukaichi Station (the last stop of the Itsukaichi Line) at 8:50AM. From the station, we will take the 9:00AM bus (900 yen, 59 minutes) going to Sengen-one Tozan Guchi.  We will hike up to Henbori Pass, Mt. Sengen and then down to Hossawa Waterfall (The hiking time is 4.5 hours).  From there we will take the bus back to MusashiItsukaichi Station (470 yen, 33 minutes).

From Shinjuku, take the Special Holiday Express, going towards MusashiItsukaichi at 7:44.  This is the Chuo Line, but leaves from platform #11.  Please be careful and get on the part of the train going to Musashi Itsukaichi (the last stop).  It arrives there at 8:48AM.

Make sure to arrive at this time since we must catch a bus.

Meet on the front car of the train at Shinjuku at 7:44 if you want to go from there there. One way from Shinjuku is 780 yen.
 
David will get on the first car of the same train at Nakano Station.