This is not the official web site of
Nishiyama Shuzoujyou
Viasamba
Not open to the public (as far as I know)
1171, Ichijima-chō-nakatakeda
Tanba-shi 669-4302
Telephone: +81 (0) 795 86-0331
[Update]

Notes

Opened: 1996

Updated: February 13, 2008