Group examining Precambrian pillow lavas in the GeoMon UNESCO Global Geopark on Anglesey.

Welcome to Anglesey – Ynys Môn in the Welsh language – where the geology is so spectacular and set in such beautiful coastal scenery that we decided to bid for Geopark status and have been  recognised by UNESCO as a Global Geopark.  Come visit us,  explore the coastline and find more than 100 rock types which have accumulated over 1,800 million years of earth history.  Be amazed at the variety of colours, textures, shapes and rock types that have created such beautiful landscape.  To help you explore, we have a produced of free trail leaflets for you to download and written several informative guidebooks for you to purchase from our ONLINE SHOP

Did you know ?

  • Anglesey used to be at the south pole?
  • Anglesey is the home of the earliest inhabitants of the UK, the world famous stromatolites which lived here over 860 million years ago.
  • That Napoleon bought a table made of Anglesey serpentine?
  • Parys Mountain copper mine was the biggest copper mine in the world
  • Anglesey copper helped Nelson win the battle of Trafalgar?

Become a member to help us preserve this amazing geology & geoheritage and to help develop the local economy.  Click the button at the top of the page to become a member and enjoy special benefits.

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