« All Events This event has passed. National Slate Museum April 30 @ 01:01 The Black Keys » Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: 30th April 2024 Time: 01:01 Venue National Slate Museum Llanberis, Gwynedd LL55 4TY Phone 0300 1112333 View Venue Website Have an event you want listed on our What’s On guide? Submit an Event