Santuario della SS. Trinità, Mountain shrine and Catholic church in Vallepietra, Italy

The Sanctuary of the Holy Trinity stands at 1,337 m on the south-west slope of the Simbruini Mountains, below a sheer rock face of Monte Autore, in the municipality of Vallepietra, on the Lazio-Abruzzo border. The old sanctuary is a small building; a separate modern structure nearby serves religious celebrations. The site overlooks the Simbrivio valley.

The sanctuary stands at 1,337 m on the south-west slope of the Simbruini mountains, below the cliff of Monte Autore, in the territory of Vallepietra on the Lazio-Abruzzo border. It has long been a reference shrine for the dioceses of Lazio and Abruzzo, especially the province of Frosinone, the Prenestina and Tiburtina areas, the Aniene valley, the Marsica and the province of L'Aquila. Its traditional pilgrimage was filmed by Giacomo Pozzi Bellini in the 1939 documentary Il pianto delle zitelle and by Gian Vittorio Baldi in a 1958 short.

Pilgrims come mainly from Lazio, Abruzzo and Campania, with whole communities from the province of Frosinone, the Prenestina and Tiburtina areas of Rome, the Aniene valley, Sabina, the Marsica and the province of L'Aquila. Tens of thousands pass through the sanctuary each year. The traditional pilgrimage was filmed in 1939 by Giacomo Pozzi Bellini as Il pianto delle zitelle and in a 1958 short by Gian Vittorio Baldi.

From Vallepietra an asphalt road climbs about 14 km to the sanctuary at 1,337 m; from the Abruzzo side, a dirt road crosses the Campo della Pietra karst plain through old beech woods, past the film set of "Continuavano a chiamarlo Trinità". The site lies where Lazio meets Abruzzo, near the borders of the Rome, Frosinone and L'Aquila provinces.

The dirt road from Cappadocia-Camporotondo crosses the karst plain of Campo della Pietra, surrounded by centuries-old beech woods; this location was used as a film set for "Continuavano a chiamarlo Trinità". The sanctuary's traditional pilgrimage was filmed in 1939 by Giacomo Pozzi Bellini as "Il pianto delle zitelle" and in a 1958 short by Gian Vittorio Baldi.