"In the mountains around Lago di Lugano (and Como, to a lesser extent) there are grottos, which are deep holes into the earth, that have 60-ish degree air coming out. This makes a refreshing atmosphere in summer, when a few local restaurants operate around the grotto openings. (In the winter, the air is still the same temperature, so it feels warm.) A lot of grottos have been used as wine cellars for centuries, because of their constant, complimentary temperatures.This grotto is a favorite with locals, they serve only the types of food locals eat. Excellent quality food, Well prepared from traditional recipes. But a limited menu. It's about five minutes from the city by car. Plenty of free parking. Communal seating at long tables. Fair prices."