Trail 544a is a connecting route between the trails in the municipalities of Villagrande and Talana and those in the municipalities of Urzulei and Baunei. It is about 1.8 km long and connects the localities of Fenarbu (Talana) and Fennau (Urzulei).
The route is slightly downhill and can be covered in about 30 minutes. The entire path follows the route of the road that runs alongside the Rio Sa Codula, first on the west side and then on the east side.