County in Ireland
Photo: Störfix, CC BY-SA 3.0 via Wikimedia Commons
County Mayo (Contae Mhaigh Eo) is on the coast of West Ireland, and traditionally part of the province of Connacht. Its sparse empty landscape is its chief attraction.
By train
Trains from Dublin Heuston run five times a day to Westport, taking 3 hr 30 min via Portarlington, Tullamore, Clara, Athlone, Roscommon, Castlerea, Ballyhaunis, Claremorris (for Knock), Manulla…
By bus
There is no direct bus from Dublin to Castlebar, Westport or Knock.
By road
From Dublin take M4 to N4 via Mullingar and Longford, then N5 towards Castlebar and Westport.
Many places of interest are out in the country and you need a car, as much for shelter from the lashing rain as for transport. However a few places are along a transport route.
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Charlestown · International · NOC
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Achill Island is an island just off the coast of County Mayo in the west of Ireland, linked by a bridge to the mainland. It's Ireland's largest island, with some farming but mostly uncultivated heath and hills.

For other places with the same name, see Westport Westport is an attractive town in County Mayo on the west coast of Ireland, with a population of 6,900 in 2022. It was originally Cathair na Mart, "town of the beef cattle", a cattle-mart and trading port in an era when it was much easier to get around by sea than overland.
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