The road measures 18.49 miles long and would take a car obeying speed limits 30 minutes to travel its length.
The A4086 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 CAERNARFON, Rhosbodrual, Pontrug, Llanrug, Cwm-y-Glo, Llanberis, Nant Peris, Nant Gwynant, and Capel Curig.
The road connects Gwynedd and Clwyd.