text: There is NO road, NO connection 
  30 m NORTH and 
  30 m SOUTH 
  of the marker icon.
  Please DISCONNECT the "track" around the icon (+/- 30 m in BOTH directions!
  The "official" geographical map issued by
  Japanese Government shows the correct map. Please refer to:
  http://maps.gsi.go.jp/#18/34.900873/139.035995
  Thank you!
  
  Walter