Seskin mountain info maps weather Seskin is the 10185th highest peak in the British Isles and the 979th tallest in Ireland Also known as An Seisceann Elevation 344.0 m (1129 ft) Prominence 152.0 m (499 ft) Category Marilyn Hill / mountain range Dublin/Wicklow Nearest town OS map sheets OSi50: 062 (Carlow, Wexford, Wicklow)