The Nagano Prefectural Museum website announces a temporary closure from May 31 2017. Has the gallery reopened?
The Higashiyama Kaii Gallery and Shinano Art Museum were both closed last year for renovations. Currently, the Higashiyama Kaii Gallery’s reopening is planned for 2019, and the Shinano Art Museum’s reopening is planned for 2021.
If you would like some more information about museums in Nagano, please see this blog on our website. I hope that helps!