In San Panfilo's Cathedral, has been prepared a room, in honor of Celestino V, where are preserved his precious and important relics. 

Going out from the Cathedral, walking through Villa comunale and continuing to Corso Ovidio, you arrive to S. Lucia's church, with the annexed cloister loggia, both possessions of the Religious Order of Celestini.

At the end of the visit of S. Lucia's church, leaving Sulmona you can drive to the fraction Badia Morronese; continuing along Via Badia, and leaving on the right the complex of S. Spirito a Morrone, through the driveway, you climb on Monte Morrone till a small square. From that point a dirt track, passable only on foot, lead to S. Onofrio's Hermitage.

Taking againg the car, you go down along Via Badia, and on the left you can see the complex of S. Spirito a Morrone, principal seat of Celestini, founded in the mid third century, by the will of Celestino V.

Santa Croce's Hermitage is 1379 m.s.l. on Monte Morrone. You reach it by car from Sulmona, heading, towards Popoli, to the fraction of Baganturo, about 5 km from Sulmona. From that fraction, on Via S. Pietro Celestino, take, nearness a cave, a white road that in 10 km, driving by ruins of Castello D'Orsa, you arrive at Colle Delle Vacche. Go ahead by walk for two hours and half along an unmade road and, then about 30 minutes, you run into a deviation  on the right. The path cut through half coast all the mountain and then passed some steep valleys, arrive to a big fountain with waterhole (40 minutes).
In front of you, you can see Santa Croce's Hermitage, on the top of a hill.