The road measures 17.46 miles long and would take a car obeying speed limits 22 minutes to travel its length.
The A4212 is a A Road and is located in the Zone 4 Highways Region.
This is a true long-distance route, journeying through numerous towns like Trawsfynydd, Arenig, Capel Celyn, Fron Goch, and BALA.
The road is located entirely within Gwynedd.