Running alongside for part of the way is the trackbed of the old Nantlle Tramway, along which horse-drawn trams carried slates from the quarries in the Nantlle Valley to the port at Caernarfon from where they were exported.
The trackbed of the old Nantlle Tramway, which was used to transport slate from quarries in the Nantlle Valley to the port at Caernarfon for export by horse-drawn trams, is running alongside part of the way.