10m topographic maps are included in "Japan Digital Road Map Navigator and Topo 10m for Garmin GPS." If you are planning to enjoy the outdoor activities such as montain climbing in Japan. We recommend this detailed digital topographic map with you.
Topographic map also includes forests regions, in green (new in version 5).
Mt. Fuji around summit
Garmin Oregon screen capture
Garmin Montana screen around Kaimondake
Garmin eTrex 30 screen around Kaimondake