Koka Ninjutsu Yashiki
A ninja house with extant authentic contrivances that is one of a kind in Jpan.
The walls, floors, etc. sontain mechanisms for avoiding the pursuit of enemies.
You will wonder at the intelligence of ninjas!
[Rail] 2h 20 min to Kyoto Station by JR Tokaido Shinkansen, and 20 min to Kusatsu Station by JR Tokaido Line. From Kusatsu Station, 30 min take the JR Kusatsu Line to Konan Station. Koka Ninjutsu Yashiki is a 20-minute walk from there.
[Rail] 50 min to Kusatsu Station by JR Kyoto Line and 30 min to Konan station by JR Kusatsu Line. Koka Ninja Village is a 20-minute walk from there.