This my regular buggy friendly winter walk in St Anton am Arlberg. I think I did this walk pretty much every day when D was tiny while she napped in the pram. I am assuming that you have a buggy that will cope with a little hard packed snow; this is a ski resort after all. It is a circular walk of approximately 2.7km. It will take around 40 minutes at a leisurely stroll with a buggy if you are also stopping to take photos.