San Pietro is one of Perugia's richest church interiors, set slightly away from the busiest medieval streets. The basilica and abbey complex combine layers of architecture, woodwork, paintings, and a calm cloistered atmosphere.
It is worth the walk because it shows a more contemplative side of the city. Perugia can feel steep and crowded around the Corso; San Pietro gives you space, art, and a good reason to explore beyond the main spine.