On Platform No.0 at JR Takasaki Station, take Joshin Dentetsu Railway.
Takasaki Station to Sendaira Station (55 min)
Joshin Dentetsu Railway Homepage (Japanese)
Sendaira Station
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)