April to late October: Open daily from 8:00 AM to 4:30 PM
Closed for Maintenance: Mid-June for 3 days due to lift replacement work
Access
From JR Yamagata Station, take an express bus for about 40 minutes to the Nishikawa bus stop. From there, take a local bus another 45 minutes to Ubasawa. Alternatively, take a local bus from JR Tsuruoka Station to Gassan Hachigome. The trip takes about two hours.
By car: 20 minutes from Gassan IC on the Yamagata Expressway