Delvin River
| River Delvin An Ailbhine | |
|---|---|
| At Gibblockstown, County Meath | |
| Etymology | Old Irish ailbine, supposedly from ollbine, "great crime" | 
| Physical characteristics | |
| Source | |
| • location | near Garristown, County Dublin (Fingal) | 
| • elevation | 120 m (390 ft) | 
| Mouth | |
|  • location | Knocknagin, to the Irish Sea, (County Dublin) | 
| Length | 18 km (11 mi) | 
| Basin features | |
| Tributaries | |
| • left | Bartramstown River, Saddlestown Stream, Silver Stream | 
| • right | Garristown Stream | 
The River Delvin (Irish: An Ailbhine) is a river of northern County Dublin, about 18 kilometres (11 mi) long and forming much of the Dublin-Meath boundary;: 2 it is thus largely under the responsibility of Fingal County Council, sometimes shared with Meath County Council.