The River Derry (Irish: An Doiríoch) is a large river in the southeast of Leinster, Ireland, a tributary of the Slaney. It rises just south of Hacketstown, County Carlow, Ireland. It flows southeast to Tinahely, being accompanied by the R747 regional road for the distance.
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River Derry An Doiríoch | |
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Etymology | dairgech, "abounding in oaks"[1] |
Physical characteristics | |
Source | |
• location | East of Eagle Hill, near Hacketstown, County Carlow |
• elevation | 349 metres (1,145 ft) |
Mouth | River Slaney |
• location | Kildavin, County Carlow |
Length | 34 kilometres (21 mi) |
Basin features | |
River system | Slaney |
South of Tinahely it turns sharply and flows southwest through Shillelagh, briefly forming the border between County Wicklow and County Wexford, before becoming the border between County Wexford and County Carlow.
It flows under Clonegal Bridge at a point where it divides Clonegal, County Carlow to the west from Watch House Village, County Wexford, to the east.
A few kilometers further downstream it flows into the River Slaney.
Derry Water River is a separate tributary, which rises near Tinahely and flows north-eastwards to form the Aughrim River.
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List | |
Flowing north | |
Flowing to the Irish Sea | |
Flowing to the Celtic Sea | |
Flowing to the Atlantic | |
Tributaries of the Shannon | |
River names in italics indicate rivers which are partially or wholly in Northern Ireland, with the rest being wholly in the Republic of Ireland |