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Archaeological Site · Lake Bracciano

Ipogeo di Santa Pupa

Lake Bracciano

Beneath a wooded hill at Manziana, the Santa Pupa hypogeum is a rock-cut gallery about 130 metres long, with two sections and 84 niches. A carved cross appears above one niche; the date and original purpose of the underground structure remain uncertain.

Why it matters

The hypogeum lies within Macchia Grande woodland, in a landscape of natural cavities and historic tuff workings. Its repeated niches have prompted burial-related interpretations, but no function has been established. The carved cross points to a possible Christian use, though it does not by itself settle the site's history.

What to notice

The gallery begins as a vaulted passage with a shaft known as the Occhialone. Farther in, it narrows and the walls form rows of square niches; a collapse blocks the former exit. One niche has a carved cross. A smaller hypogeum lies nearby.

Context and history

The Santa Pupa name is shared with a medieval fortified village on the hill, acquired with the surrounding woodland by the Hospitaller Order of Santo Spirito in 1290. The hypogeum's connection to the order is uncertain. Proposed interpretations include a burial place, quarry or water gallery, but none is confirmed. The site is included in the Catasto Nazionale delle Cavità Artificiali, Italy's register of artificial cavities.