From Karuizawa
Get on the Joshinetsu Expressway at the Karuizawa IC and get off at the Shimonita IC. About 5 min
Access from Nagano
Get off at the Saku IC, take National Route 254 toward Shimonita/Tomioka, about 60 minutes.
Train – Joshin Dentetsu Railway
On Platform No.0 at JR Takasaki Station, take Joshin Dentetsu Railway. Takasaki Station to Sendaira Station (55 min)