There's quite a few Franciscan convents around Rieti. St. Frances (San Francesco) used to retreat in this peaceful area of Italy. By taking a drive to one of these convents you'll get a taste of the idylliac atmosphere he surrounded himself with.
The convent I visited is some 15 minutes by car outside Rieti, on the way to the Laghi Reatini. It has a lovely garden, well-kept by the monks, and a nice and steep path (passaggio di San Francesco) that the saint used to walk in order to relax. He is said to have written his Cantico delle Creature in here.