Hermitage of Sant'Onofrio al Morrone, 13th-century religious hermitage in Sulmona, Italy.

The Hermitage of Sant'Onofrio al Morrone is a stone religious building on the slopes of Monte Morrone above Sulmona, at 620 metres. Its flat grey plastered facade has two square windows set high and a small white bell tower with a cross at the roof's left edge. A rough stone retaining wall supports the base against the cliff, and rows of small square windows descend along the right side.

Pietro Angelerio settled in a cave on Monte Morrone between 1239 and 1241 and built a small church, Santa Maria in Ruta. He later founded the hermitage proper on the steep slope above Sulmona, and the site was established in 1290. In 1294 King Charles II of Anjou came here to announce his election as Celestine V; he returned in 1295 after abdicating. The hermitage was badly damaged in the Second World War and rebuilt under Giuseppe Giampietro.

The site is connected to Saint Onofrio, a figure in Christian tradition rooted in these rocks. The cells on the upper floor show how monks lived and prayed in this isolated setting.

The walk from the parking area to the hermitage takes about twenty minutes uphill, so wear sturdy shoes and allow extra time for the climb. Check opening hours at the Sulmona tourist office before visiting to avoid disappointment.

Pilgrims rub themselves against the damp rock of the cave beneath the church, where Celestine V is said to have slept, seeking relief from rheumatic ailments. From the terrace above, the faithful throw stones into the drop below as a gesture of rejecting temptation.