The Bar/Lounge at Hotel Gutkowski
Hotel Gutkowski's bar/lounge is acknowledged by those who travel for a living. Of the 4 professionals tracked on TripExpert, 2 referenced the bar/lounge, including Frommer's and Rough Guide.
Hotel Gutkowski 
 Frommer's
 Rough Guide
 "A rooftop terrace serves as an outdoor living room for much of the year, and a small restaurant/bar serves regional wines and one or two well-prepared dishes in the evenings" 
 "There is also a little
wine bar, and private dinners can be arranged for
four or more guests"