Take the Tohoku Shinkansen "Utsunomiya Station" Get on the JR Utsunomiya Line (conventional line) "Utsunomiya Station" and get off at "Sukagawa Station".
taxi
About 10 minutes from Suwa Station.
bus
From Sugamiyama Station, take the Kanto Bus heading towards Nishikawada Station East Exit. Get off at Hyogozuka Entrance.