There are parking and restroom.
Time: 9:00 to 17:00(Apr. to Sep.) 9:00 to 16:00, the last entry is 30 min. before the close time.
Admission: 310 yen for adults, 150 yen for kids. There is a group discount.
Closed: on Tuesday from Dec. to Mar. If it's holiday. Closed on the next day.
0. at Isezaki Station.
1. use JR Ryomo Line to Shimo-Nitta Station.
2. use Watarasekeikoku Line to Omama.
3. walk northeast.