This roundtrack offers a beatiful view over Dobbiaco/Toblach and the Valle di Landro/Höhlensteintal.
(Be careful: Some sections could be icy!)
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.
Parking places are available.