Museum on the Move

While construction and conservation work take place at the Museum, we’re taking our people, collections and stories on the road to locations at the heart of the slate story.

Come and see us at the following locations:

Penrhyn Castle
Llandygai
Bangor
LL57 4HT  
Open Daily in line with Castle opening times.

Crefft Migldi Magldi
Cei Llechi 
Caernarfon
LL55 2PB
Open daily

Quarry Hospital
Parc Padarn
Llanberis
LL55 4TY
Tuesday – Saturday 10am – 4.30pm (last admission 4pm)

Christmas and New Year Opening

The Quarry Hospital will be open on 27, 28, 29, 30 December and on 2 & 3 January (10am - 4pm) Admission is FREE.
At Penrhyn Castle our Quarrymen will be demonstrating slate splitting in the stable block area on 27 & 28 December and 1 January 2026. Normal Castle admission applies.

*Following the Christmas and New year period the Quarry Hospital will be closed until 14th February*
*Penrhyn Castle will be open as it is usually, but the Quarrymen will be away until 14 February*

A huge DIOLCH to our partners for their welcome and support!