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 GeoMon UNESCO Global Geopark has been generously supported by the following organisations: Natural Resources Wales, Magnox, Mentermôn & the Isle of Anglesey (IoACC)

Learn about Anglesey's fantastic coastline from a kayak….

You can find us at the quayside of Porth Amlwch, Anglesey, LL68 9DB.


Opening times >>

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Online Editor: Sarah Wardlaw   Text - Dr. Margaret Wood / Dr. John Conway / Dr. Stewart Campbell / Prof. Brian Windley      


“Cyllidwyd y prosiect hwn yn rhannol drwy Gynllun Datblygu Gweldig I Gymru 2007-2013 a ariennir gan Lywodraeth Cynulliad Cymru a’r Gronfa Amaethyddol Ewrop ar gyfer Datblygu Gweldig.”


 “This project has also received funding through Rural Development Plan for Wales 2007-2013 which is funded by the Welsh Assembly Government and the European Agricultural Fund for Rural Development”.



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Anglesey (Môn) is the largest of the Welsh islands, situated in the north west corner of  Wales. This internationally recognised Geopark covers some 720 square kilometres and has 201 kilometres of coastline.  The Geopark territory points to a spectacular geological heritage. Geological sites (Geosites) have been selected  for scientific quality, rarity, aesthetic appeal and educational value. Their interest may also be archaeological, ecological, historical, or cultural.


With rocks spanning 4 Eras and 12 Geological periods, 1,800 million years of history has fashioned more than 100 rock types.  Such is the variety of shapes and types, present through at least four mountain building periods, that casual visitors and local people alike cannot but marvel at the magnificient colours and structures visible around the coast of this magic isle.  Explore and discover this outstanding geo-heritage, which the island derives its local and regional distinctiveness and character.  


By taking a tour along the coastline, which is nationally recognised as an area of outstanding beauty, using the prestigous coastal path allows access to 90% of Anglesey's geological highlights.  Most of the coast is accessible to all, be it the seasoned walker rambling the entire 125 miles or the casual visitor dipping into one or more of the scenically beautiful 'honeypot' sites along its length.  There are a range of geotrails and picnic areas and thought provoking, informative displays and tactile exhibits which encourage adults and children alike learn about the wonder of the world around them.

Use the interactive map to navigate & learn about the various geotrails/geosites around the island or/and download leaflet here:

For enquiries email:

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pdf. geosites

GeoMôn | UNESCO Global Geopark

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News & Events:

Congratulations to Dr Margaret Wood on receiving an Honorary Fellowship from Bangor University for services to Geology. Learn more about the work she does here: featured star in TrowelBlazer post written by Catherine Duigan >>

Join us on one of our wildlife rib rides. Pods of dolphins have been playing in our bow wave for the last couple of days:

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AONB photo competition to celebrate the 100th Anniversary of first geology map of Anglesey

A Greenly centenary geodiversity walk, Anglesey

Sunday 29th September 2019 – OPEN TO ALL

GeoMôn Newsletter September ....

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