Zenkoji Temple, Nagano
The Zenkoji Temple is the most famous temple in Nagano, with 1400 years of history. Dating from 1707, Zenkoji is a designated National Treasure. Zenkoji is an important pilgrims destination and remains an authentic centre of worship in Japan. There is a pitch black tunnel underneath the Main Hall where you can walk around. It is said that this is the temples’ ‘place for enlightenment’ and that all people here are equal.