Satsu-chika is a free smartphone App providing information on the underground system and surroundings in central Sapporo.

Check the weather conditions in Chuo-ku,Sapporo while underground!

Check events in the Sapporo Ekimae-dori Underground Walkway (Chi-Ka-Ho).

Check the subway timetable of the Sapporo City Transportation Bureau, and the most convenient boarding time based on your underground position at the time.

Receive discount and other useful coupons for restaurants and other shops.

Check the locations of nearby elevators and (multi-purpose) restrooms.