A:
The best Underground Tours in Japan according to Viator travelers are:
- Private guided hidden gems tour by local English speaking driver
- Naha Full-Day Private Tour with Government Licensed Guide
- Mt Fuji, Hakone Lake Ashi Cruise Bullet Train Day Trip from Tokyo
- Tokyo Go Kart: Asakusa, Skytree, and Akihabara **IDP MUST**
- Mt. Fuji Five Lakes Area Private Tour with Licensed Guide(Kawaguchiko area Dep)