Wedding venues in Gwynedd The beautiful mountains of Snowdonia dominate Gwynedd and create a wonderful landscape for a wedding. Mt Snowdon or Yr Widdfa, is Wales highest peak and a stunning backdrop in front of which to marry. Gwynedd is also home to Portmeirion, where the cult TV series, The Prisoner was filmed, and it holds a civil wedding licence. Be seeing you. Other unusual wedding venues include a quarry and a railway station. And after the wedding ceremony, the wedding reception. You can be sure these wedding venues can host great wedding receptions. After selecting their wedding venue, the bride and groom can use WeddingVenues.com to find B&B and hotel rooms for their wedding guests. Get married in style.