The Ceremonial County of Gwynedd in Wales

The Ceremonial County of Gwynedd is located within Wales.

The area of Gwynedd is 1,302 Square Miles (3,371 Square Kilometres). Making Gwynedd the 24th largest county in Great Britain (out of 91) and the 2nd largest county in Wales (out of 8).

Geological Map of Gwynedd

A map showing the geology of Gwynedd.

Geological Makeup of Gwynedd
Map Key Description
4 METALIMESTONE
8 HORNBLENDE SCHIST
9 FELSIC-ROCK
20 MAFIC IGNEOUS-ROCK
21 MUDSTONE, SILTSTONE AND SANDSTONE
24 MAFIC LAVA AND MAFIC TUFF
25 METASEDIMENTARY ROCK
27 SANDSTONE AND CONGLOMERATE, INTERBEDDED
37 MUDSTONE, SILTSTONE, SANDSTONE, COAL, IRONSTONE AND FERRICRETE
41 LIMESTONE WITH SUBORDINATE SANDSTONE AND ARGILLACEOUS ROCKS
42 MAFIC TUFF
43 SANDSTONE, LIMESTONE AND ARGILLACEOUS ROCKS
45 FELSIC LAVA
50 ULTRAMAFITITE
51 FELSIC TUFF
60 MAFIC LAVA
62 FELSIC LAVA AND FELSIC TUFF
79 CLAY, SILT, SAND AND GRAVEL
Map of Gwynedd

A map showing the boundary of Gwynedd in relation to other counties.

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Map of the County of Gwynedd

Zoom LevelLatitudeLongitude
653.521968-2.164306
Marker
50 km
30 mi
Leaflet © Ordnance Survey 2025, Ordnance Survey © 2018
Cities, Towns and Villages in Gwynedd