R660 road (Ireland)
|Length:||21 km (13 mi)|
The R660 road is a regional road in Ireland which runs south-north from the centre of Cashel in County Tipperary to the centre of Thurles, also in County Tipperary. En route it passes through the village of Holycross, where it crosses the River Suir and passes the walls of Holy Cross Abbey.
The route is 21 km (13 mi) long.