The Dargle rises in the Wicklow Mountains, Ireland, on the southern slopes of Tonduff 642 metres (2,106 ft).

A final small tributary, the Swan River, joins opposite the People's Park, Little Bray.

The authorities in Dublin received advance warning of the intended raid from the Walsh family of Carrickmines, whose lands stood directly in the path of the mercenary army.

He used the word in his novel Redgauntlet seven years later: Glen, nor dargle, nor mountain, nor cave, could hide the puir hill-folk.

[4] About 1838 the eminent judge Philip Cecil Crampton, who lived at St. Valery House, by the Dargle, became a supporter of the temperance movement: to show his fidelity to the cause, he emptied the entire contents of his wine cellar into the river.