|Length:||19.9 km (12.4 miles)|
|Meets:||N77, R886, R887, N10, R702, R912, R448|
|Former Number(s):||N77, N10|
The R712 runs from the Castlecomer Road roundabout on the N77 at Baun, 2.5 km north of Kilkenny city centre, to the R448 at Paulstown. For the greater part of its length it follows the former route of the N10 and is generally parallel to the M9 and N10 that replaced this route.