Current information is available here.

Lessons at the MARIA reactor

NCBJ invites organized groups to sightsee MARIA, the sole research nuclear reactor operated in Poland.

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Basic information

  • persons of minimum 11 years age will be admitted only
  • group guardian must confirm in advance group arrival (by phone)
  • all group members must be listed on the form attached to the Sightseeing the MARIA reactor webpage
  • additionally list of foreigners who are going to come within the group (given name, surname, address,country, pass number) must be supplied to NCBJ Education & Training Division not later than 1 week ahead.

Reactor sightseeing rules 

  • Sightseeing excursions are subrodinate to reactor operation schedule – we reserve the right to re-schedule any already booked excursion should such need arise. All booked groups will be informed by phone as soon as possible.
  • Sightseeing excursions are not organized during recator overhaul periods.
  • Depending on week day and detailed programme of visit to NCBJ number of persons in a group may not exceed 20 or 30.
  • MARIA may be visited Monday-Friday 8:30 am – 2:30 pm.


For detailed information contact:

NCBJ Education & Training Division
phone +48 22 273 16 12
fax. +48 22 273 11 40