River Brosna
| River Brosna | |
|---|---|
Old mill on the Brosna at Kilbeggan | |
| Etymology | Possibly means "place of twigs" |
| Native name | An Bhrosnach (Irish) |
| Location | |
| Country | Ireland |
| Physical characteristics | |
| Source | |
| • location | Near Mullingar, County Westmeath |
| Mouth | River Shannon |
• location | Shannon Harbour |
| Length | 79.26 km (49.25 mi) |
| Basin size | 1,248 km2 (482 sq mi) |
| Discharge | |
| • average | 5.13 m3/s (181 cu ft/s) |
| Basin features | |
| River system | Shannon |
The River Brosna (Irish: An Bhrosnach) is a river within the Shannon River Basin in Ireland, flowing through County Westmeath and County Offaly.
The river rises in Lough Owel north of Mullingar and is a tributary of the River Shannon. It meets the Shannon at Shannon Harbour.
The River Brosna is 49.25 miles (79 km) in length.