Route: 4 Peaks Challenge (Ireland, United Kingdom)

The 4 Peaks of Ireland Challenge is generally classed as climbing the highest peaks in each of the four provinces of Ireland, namely Carrauntoohil at 1040m of Co. Kerry – the highest peak in the southern province of Munster, Mweelrea at 841m of Co. Mayo – the highest peak in the western province of Connacht, Slieve Donard at 840m of Co. Down – the highest mountain in Northern Ireland and the province of Ulster and Lugnaquilla 925m of Co. Wicklow – the highest peak in the eastern province of Leinster.

https://4peaksireland.co.uk/4-peaks-of-ireland/

Time starts at the trailhead before the first peak, and ends at the trailhead after the final peak.