Austria's alpine accommodation includes a genuinely distinctive category worth understanding before you book anything described as a 'Hütte': there are two quite different things that word can mean. One is a staffed Alpenvereinshütte, a mountain refuge run as part of the Austrian Alpine Club network, typically offering a shared dormitory-style Matratzenlager (mattress room) alongside a small number of private rooms, used mainly by hikers moving between multi-day mountain routes.
The other is a privately rentable Almhütte or alpine chalet — a whole separate self-catering building, rented out exclusively to one group for their stay, much closer in spirit to a standalone cabin than to a communal refuge. These are commonly listed through Austrian and broader Alpine holiday-rental platforms, and because there's no shared sleeping area or communal dining room to navigate, this category tends to be the far lower-stress option for a dog.
Policy at a staffed Alpenvereinshütte refuge is set hut by hut, and a shared Matratzenlager dormitory is exactly the kind of space many refuges restrict dogs from, for the obvious reason that other guests are sleeping in the same room. A privately rented self-catering Almhütte doesn't have that constraint at all, so if a dog is coming along, confirming you're booking the self-catering, whole-building kind — not a shared mountain refuge — is the single most useful question to ask before paying anything.

