• Our Operation

    The observatory open from 3 PM to 12PM (JST) everyday except for the new-year holidays.

    Reservation is required.
  • Visitors have to arrive at the observatory before the sun-set time. In case of late arrival, visitors have to stay in the parking area until owls leave the observing area. 

  • Visitors can leave the observatory when owls are not in the observing area.

  • All visitor has to stay within the observing cabins or the guest rooms of Washino-Yado.

  • All car has to stay in the parking area. Photography using a car is prohibited.


  • Rules of photography
  • Flash is prohibited.

  • AF assist light has to be turned off.

  • Photographers have to stay within the cabins or the guest rooms, and no equipment can be set on the river bank.