With a number of operators across Catalunya, hot air ballooning is a chance to see the region from a new perspective and discover places that are inaccessible or can’t be easily explored by land, from the peaks of the Pyrenees to the crystalline Mediterranean. In the age of Google Earth, when aerial views are no longer a novelty, there is still nothing that compares with the feeling of peace, tranquility and escape that can be experienced floating serenely hundreds of metres up—an unforgettable experience for those with a sense of adventure.

More here: http://www.barcelona-metropolitan.com/travel/float-on/