I set off to the Gustav Mahler Stube in the morning, on foot. It is a house located on the slope of a hill. Gustav Mahler's room is located at the 2nd floor of the building, and it is open for visit on Tuesdays and Saturdays. Today was Tuesday.
The family which owns and runs the house also maintains a small zoo (wildlife reserve) just outside the house. A composing hut used by Gustav Mahler is located inside this wildlife reserve and can be visited every day from May to October.
After returning to my hotel, I made use of the relaxation facilities in the basement.
By the way, the stay in this hotel was quite expensive -- 150 Euro per night.