The dachstein Ice Cave is AWESOME. It can be visited by taking the gondola up to a station and then…read morea 10 minute walk up paved trails or one can hike from the base in Obertraun about 2 hours (I think). There is an admission charge even if one hikes up. They discourage photography inside the cave itself. Open year round I think, I was there in the summer. Definitely something that should be on the itinerary if you're going to the Salzkammergut

Ski Welt is an awesome resort, truly huge- you can definitely spend several days here. There are…read morelots of different access points to the resort, we used the Scheffau parking lot- convenient enough, there were several gondolas and a ski-out for the end of the day. Make sure you take a map, there are lots of different areas, and it can take several lifts / runs to get back to where you started from, so make sure you allow enough time before closing. Plenty of hospitality on the mountain with bars and restaurants, at the usual ski resort prices. My only gripe- don't go during German or Austrian holidays, the mountain can be a Zoo when full.

This is my only experience skiing in Austria. Resort itself crosses several mountains, so very big…read morewith lots of lifts and runs (not many super long ones though). Has a good number of gondolas too. I dont speak German and thought it was a bit confusing to get around. Especially getting back to the area where you came from. The map has alot of horizontal lifts and runs, which makes it hard to see the direction they go in. Plus, there were several lifts on the map, that were not present.