41.8895°N, 12.4694°E.
Santa Maria in Trastevere Labyrinth is a labyrinth installation in Rome, Lazio, Italy. The design is a roman meander layout with 4 circuits, 5 walls, built of mosaic. Documented age: ~1150 CE (Cosmati floor) (~1150 CE (Cosmati floor)). Current condition: intact. A small labyrinth embedded in the magnificent Cosmati pavement of Santa Maria in Trastevere, one of Rome's oldest churches — traditionally founded in 340 CE and rebuilt in the 12th century. Documentation sources: Kern 2000. Listed in the surveyed catalogue as one node in a larger global registry of the same single design. The labyrinth is one of several hundred sites of this type catalogued globally; each preserves the same unicursal walking-pattern with regional variation in scale, material, and date.
The labyrinth tradition spans at least 4,000 years of documented practice across northern Europe, the Mediterranean, the British Isles, North America, and the Indian subcontinent.