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Mithraeum of Caernarfon

The Mithraeum of Caernarfon, in Walles, was built in three phases during the 3rd century, and destroyed at the end of the 4th.
  • General plan of the Caernarfon Mithraeum

    General plan of the Caernarfon Mithraeum
    CIMRM - From 

  • Candelabrum of Caernarfon

    Candelabrum of Caernarfon
    Boon via 

The New Mithraeum
19 Jul 2009
Updated on Mar 2022

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George C. Boon writes me: 'In August, 1959, a Mithraeum 48 by 21 1/2 ft. was excavated 150 yds. E. of the Roman fort of Segontium (Caernarvon, north Wales) by the National Museum of Wales on behalf of the Ministry of Works. The building, which occupied a site previously utilized probably in Flavian times, lay almost at the bottom of a small, marshy valley, parallel to and partly set into the building, being aligned 300 E. of N.

The Mithraeum was of rude construction, employing mostly undressed beach-boulders for the walls, and had a roof of large, square, local slates. It possessed a


Related monuments

Candelabrum of Caernarfon

The Caernarfon candelabrum is a reconstruction of several iron pieces found in the Mithraeum of Caernarfon.