Everybody has heard of Mount Fuji, but few have heard of the 10,476-foot (3,193 meter) Mount Kita, Japan's second-highest peak. It's located in the Akaishi Mountains, a.k.a. the "Southern Alps."
The mountain area around Mount Kita is one of the most popular in Japan. Trailheads for ascending are at Hirogawara to the east and Ryōmata to the west. However, most people choose to climb from Hirogawara, where there are more services. If you aren't averse to sleeping at high elevation, there are two huts near the summit and a campground.
Once you reach the summit and if you have time, take the ridge trail to Mount Aino and Mount Nōtori. There's more climbing information at http://www.summitpost.org/kita-dake/153497.