The road measures 13.47 miles long and would take a car obeying speed limits 20 minutes to travel its length.
The B5105 is a B Road and is located in the Zone 5 Highways Region.
This is a true long-distance route, journeying through numerous towns like Cerrigydrudion, Llanfihangel Glyn Myfyr, Betws Gwerfil Goch, Clawddnewydd, Clocaenog, RUTHIN, Efenechtyd, and Llanfwrog.
The road is located entirely within Clwyd.