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County Mayo

Goldeneye Bucephala clangula ©Sue Tranter

County Mayo (Irish: Contae Mhaigh Eo, meaning "County of Plain of Yews", after Mayo Abbey) is a county in the province of Connacht, located on the west coast of Ireland. The county town of Mayo is Castlebar. Mayo is bordered to the south by Galway, to the east by Roscommon, and to the north-east by Sligo. Castlebar and Ballina are by far the two most populous towns in the county, with 10,729 and 10,146 residents respectively according to the 2006 census; with Ballina being much larger by land area. These are followed by Westport, a popular tourist town, which has 5,140 residents. The fourth largest town is Claremorris with a population of 3,170. Other towns include Ballinrobe, Ballyhaunis, Belmullet and Swinford.

The highest point in Mayo and Connacht is Mweelrea (814 m/2,670 ft). The river Moy in the northeast of the county is renowned for its salmon fishing. Ireland's largest island, Achill, lies off Mayo's west coast.



GNU Free Documentation License


County Recorder

Tony Murray

National Parks & Wildlife, Lagduff More, Ballycroy, Westport


Useful Reading

Fieldguides & Other Birding Books
For a full list of fieldguides and other books see the Republic of Ireland page


BirdWatch Ireland - Mayo Branch


Trips, reports, members gallery etc…


Abbreviations Key: See the appropriate Continent Page (or Country Page of those used on country sub-divisions)

Ballycroy National Park


Satellite View

Ballycroy National Park was established in November 1998, it is Ireland’s sixth National Park and is located on the Western seaboard in northwest Mayo. It comprises of 11,000 hectares of Atlantic blanket bog and mountainous terrain, covering a vast uninhabited and unspoilt wilderness dominated by the Nephin Beg mountain range. Between Nephin Beg and Slieve Carr, at 721 metres above sea level, the highest mountain in the range, lie the Scardaun Loughs…

Trip Reports


Trip Report Repository

CloudBirders was created by a group of Belgian world birding enthusiasts and went live on 21st of March 2013. They provide a large and growing database of birding trip reports, complemented with extensive search, voting and statistical features.