| Country: | IRL |
| Photo Notes: | Junction of a minor road with the R340 in Lehanagh South (Leitheanach Theas) |
| Type: | R |
| Route: | 340 |
| Length Km: | 43.8 |
| Terminus A: | N59 Garroman (west of Recess) |
| Junction: | Crosses Lough Nacoogarrow R342 Lehanagh Crosses Owengowla River Passes through Carna and Kilkieran |
The R340 road is a regional road in Ireland, located in County Galway.[1] [2]