As a theme park, the Koka-no-Sato Ninjutsu-mura or Koka Ninja Village offers a good tourist sampling of ninja in a hidden village of former ninja houses transplanted to this "village." Entrance to Koka Ninja Village, tucked away in a hidden, lus

Entrance to Koka Ninja Village, tucked away in a hidden, lush forest. Quite far from the nearest train station (Koka Station on the Kusatsu Line). You can call them from the train station to be picked up.