Climb to the top of Montjuïc and you'll be rewarded with fabulous views. Consider visiting at sunrise or sundown for an even more memorable experience.
You'll have sightseeing choices galore in Sant Cugat del Valles. Montjuïc is a good place to start here, but there are lots of other worthwhile places to explore. Sagrada Familia, Camp Nou, and Park Guell are near the naturally raised area of land and will fill in your day nicely.