The Roman path leads from the Ratsberg/Monte Rota, above Toblach/Dobbiaco, along the forest to Welsberg/Monguelfo.
How to reach Toblach/Dobbiaco: https://www.drei-zinnen.info/en/dobbiaco/dobbiaco/contact-and-service/arrival-mobility.html
From Toblach in north-western direction to Aufkirchen/Santa Maria and further on to Ratsberg/Monte Rota.
Parking places are available.