The Vartry rises in Calary Bog under the Great Sugar Loaf mountain in north County Wicklow. A number of small streams combine to feed the Vartry Resesrvoirs which are important sources of water for Dublin as well as a high amenity area. From the reservoir lakes, the river flows east towards Ashford and down through Devil’s Glen. From there it passes the Nun’s Cross Bridge (dating from the 18th century) on through Ashford, under the N11 road and continues eastwards into the estuary at Broad Lough.
Read more about the waters in the Vartry catchment: