Casa di l’Urca

The ogress's house — a 5,500-year-old Corsican dolmen whose name has never been forgotten

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Haute-Corse, France

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Image of Casa di l’Urca
Revincu

Visit essentials

A quick read before you go

Full notes
Duration
4–6 hours round trip from Agriates access points.
Access
Located in the Agriates desert, commune of Santo-Pietro-di-Tenda, Haute-Corse, approximately 30…

Overview

On Cima di Suarello's rocky ridge above northern Corsica's Agriates desert, two dolmens face each other across five hundred metres of scrubland. Casa di u Lurcu is the giant's house; Casa di l'Urca belongs to his mother, the ogress and female principle whose home has carried her name since before writing.

Casa di l'Urca is a stone-slab passage leading to an approximately four-square-metre burial chamber under one large capstone. Two damaged orthostats form its walls, and its floor was tiled. Its separate entrance and corridor orientations are interpreted by archaeoastronomers as intentional solar alignments. Together, the paired dolmens' 68°-to-130° orientations form a solar sacred landscape built by Middle Neolithic people around 3500 BC.

Academic papers document the legend, analyze its encoded geographical memory, and record its continuing transmission in Haute-Corse's Nebbiu region. The Lurca is the female counterpart in a system locating complementary principles in two specific, named, reachable Corsican dolmens. Scholars call it one of the most remarkable documented cases of prehistoric place-memory preserved through roughly 5,500 years of continuous human transmission.

Why this place is sacred

What makes Casa di l'Urca thin — what makes the distance between the present moment and deep prehistoric time permeable here — is not the stone alone. The stone is ancient, irreplaceable, and significant. But stones without names are archaeological objects; stones with names that have been spoken continuously for 5,500 years are something different.

The name 'Casa di l'Urca' means 'house of the ogress.' The ogress is the Lurca — the mother of the giant Lurcu, whose own house is five hundred metres away. The legend that gives the dolmens their names connects them to a specific narrative: a wise, feared shepherd giant who lived alone with his mother, whose knowledge the villagers coveted, who bargained his brocciu cheese recipe for his life when they tried to kill him.

This is a story that has been told — in Corsican, across generations of northern Corsicans — since before the Pyramids were built. It is still told. Ethnographers have documented it; archaeoastronomers have analyzed it; GIS researchers have used it as one of a handful of documented cases worldwide where oral mythology demonstrably preserves knowledge of specific prehistoric monuments.

The solar dimension adds a second layer. The Cima di Suarello ridge, with its paired dolmens, was chosen and oriented deliberately. The two orientations present in the Casa di l'Urca dolmen — entrance and corridor passage — fall within the range of azimuths (68°–130°) documented across the Nebbiu megalithic group as keyed to solar events. The builders were not simply burying their dead.

They were embedding the burial space within a cosmological framework that tracked the sun's movements across the year and encoded those movements into the angle of a stone corridor that still points in the same direction today.

To visit Casa di l'Urca is to stand at the intersection of three distinct time-scales: the geological time of the Agriates landscape, the human time of 5,500 years of funerary and oral tradition, and the astronomical time of solar cycles that repeat without end. The site holds all three simultaneously.

Collective funerary burial chamber (dolmen à couloir); probable association with seasonal or astronomical ceremonies tied to solar orientations of the corridor; central element of the paired male-female sacred landscape of Cima di Suarello ridge.

Neolithic construction and funerary use (c. 3500 BC) → regional sacred function as part of the Monte Revincu megalithic complex → abandonment; oral Lurca/Lurcu legend tradition begins and persists; de Mortillet documents the dolmens (1883); Leandri/DRAC systematic excavations from 1996; site included in classified French Historic Monument designation (PA2B000037); current research via lidar and archaeoastronomy ongoing.

Experience and orientation

The approach to Casa di l'Urca begins in the Agriates, Corsica's inland desert: a landscape of low maquis, exposed pale rock, and a silence interrupted only by wind and the occasional bird call. The hike from the nearest access points takes several hours. There is no road, no signage, no admission barrier. This remoteness is not incidental to the experience; it is the experience. The Neolithic people who built this dolmen lived in this landscape.

To reach the site, you cover terrain that has not fundamentally changed in six thousand years.

Read the Lurcu legend before you arrive. Not as tourist preparation but as a frame for the encounter. When you reach the Cima di Suarello ridge and the two dolmens become visible — Casa di u Lurcu to the north, Casa di l'Urca slightly further along the ridge — you will be approaching not anonymous archaeological features but named places whose names have been spoken in this valley for longer than Rome existed.

Approach Casa di l'Urca from the direction of its entrance corridor — the direction the builders oriented the passage. This means approaching along the approximate azimuth that corresponds to a solar event, walking toward the dolmen the way a Neolithic person would have approached it with the rising sun at their back. The difference between entering a dolmen as an archaeological tourist and entering it along its intended axis is significant.

At the threshold, pause. The corridor is approximately three metres long, built of stone slabs, and leads into the chamber. The capstone above is the same stone placed there 5,500 years ago. Before entering, look in the direction the corridor faces and observe the horizon. At certain times of year, the sun rises within that field of view — the alignment that was intentionally designed into this structure still functions.

Inside the chamber — approximately four square metres — register the compression of the space, the change in light and sound, the transition from the open sky of the ridge to the enclosed stone interior. This is a chamber built for the dead, to receive bodies, to hold them within a structure oriented toward the annual solar cycle. The two damaged orthostats that form the walls were once intact. The tiled floor has persisted. The capstone has not moved.

After leaving Casa di l'Urca, walk the five hundred metres to Casa di u Lurcu. The male-female pairing of the two dolmens — the Lurcu and the Lurca, five hundred metres apart on the same ridge, oriented toward the same solar range — is not accidental. The paired principle embedded in the Corsican oral legend mirrors a structural pairing in the landscape itself.

Access via marked foot trails through the Agriates desert from Santo-Pietro-di-Tenda, Haute-Corse; no road access. Allow 4–6 hours round trip. GPS coordinates: 42.668956°N, 9.264907°E. Bring ample water, sun protection, and navigation tools. No admission charge.

Context and lineage

In the last third of the fifth millennium BC, the Middle Neolithic community of northern Corsica built a network of megalithic monuments across the rocky slopes now called Monte Revincu. Among these, two dolmens were constructed on the Cima di Suarello ridge — one for the male principle, one for the female.

The female dolmen, Casa di l'Urca, was built with a passage of stone slabs leading to a burial chamber of approximately four square metres, roofed with a single capstone. The corridor was oriented toward a specific point on the horizon — a solar event in the annual cycle — giving the funerary monument a cosmological dimension that tied the dead to the movements of the sky.

The legend that gives the dolmen its name may encode a memory of the people who built it. The Lurca — the ogress, the mother, the female counterpart to the wise giant — lived in this dolmen according to the Corsican oral tradition still known in the Nebbiu region. Her son the Lurcu lived five hundred metres away.

Together, their paired dolmens defined a sacred landscape on the ridge, a landscape whose meaning was preserved not in writing but in story, passed between generations from the Neolithic through to the present.

Neolithic construction and funerary use (c. 3500 BC) → part of the Monte Revincu megalithic complex through the Neolithic period → oral legend tradition begins and persists to present; de Mortillet documents dolmens (1883); systematic excavation by Leandri/DRAC from 1996; included in classified French Historic Monument (PA2B000037).

Traditions and practice

The Casa di l'Urca served as a collective burial chamber in the Neolithic. Bodies were placed within the stone room, possibly in multiple interments over time. The corridor orientation toward a solar azimuth between 68° and 130° suggests that the timing of burial or ceremony was coordinated with specific solar events — sunrises at solstice, equinox, or intermediate dates.

The Lurca legend, with its association of the female dolmen with the wise giant's mother, implies the site was understood not merely as a place for the dead but as a locus of female wisdom and protective power for the regional community.

No formal religious or ceremonial practices. The site is visited by hikers, prehistory enthusiasts, and researchers. The Lurcu/Lurca legend is still transmitted in northern Corsica but is not associated with organized ritual at the site.

Read the Lurcu/Lurca legend in its published form before visiting — it transforms the encounter from archaeological observation to mythological arrival. Approach Casa di l'Urca along its corridor axis rather than from the side: face the entrance direction, note the horizon, and begin your approach from that direction so that you enter the dolmen from the same quarter the builders oriented it toward.

At the threshold, do not rush inside. Stand at the entrance and be aware of being at the boundary between outside and inside, between the open ridge and the enclosed chamber, between the world of the living and the space built for the dead. Crouch or bend to enter the corridor — the physical compression is part of the architecture's meaning.

Inside the chamber, stay still for a few minutes. Let the enclosed quality of the space register. Look at the capstone — the single stone above that has not moved in 5,500 years. Look at the two orthostats defining the walls. Consider that the people who placed each of these stones are the same people whose oral descendants still tell the story of the Lurca.

Before leaving, face back through the corridor toward the outside world. The light in that direction corresponds, at certain times of year, to the direction of a sunrise that the builders of this dolmen calculated. Walk out through the corridor and turn to look at the horizon in that direction.

Then walk the five hundred metres to Casa di u Lurcu — the giant's house. Experience the paired landscape of the two dolmens in relation to each other, as a deliberate sacred geography rather than as two separate sites.

Corsican Neolithic Megalithic Burial Tradition

Historical

The Casa di l'Urca is one of two dolmens on the rocky stretch of Cima di Suarello at Monte Revincu. Built c. 3500 BC, it was used as a collective burial chamber with a 4 m² chamber, tile-bed floor, and capstone, accessed by a 3-metre corridor. The dolmen has two distinct orientations suggesting intentional astronomical alignment.

Collective funerary burial; possible seasonal or astronomical ceremonies tied to solstice/equinox solar orientations (azimuth orientations between 68° and 130° documented for the Nebbiu megalith group).

Corsican Oral Tradition: A Fola di l'Urca

Active

The female counterpart in the Lurcu legend cycle, the Casa di l'Urca ('house of the ogress') is the dolmen where the giant's mother lived. The legend is analyzed by scholars as one of the most remarkable documented cases of oral cultural memory preserving knowledge of Neolithic sites across 5,500 years of continuous transmission.

Oral storytelling; the legend is still told in the Santo-Pietro-di-Tenda / Nebbiu region of northern Corsica; collected and analyzed by ethnographers and archaeoastronomers.

Perspectives and open questions

The Casa di l'Urca is interpreted through three scholarly frames: Neolithic funerary archaeology, archaeoastronomy of solar alignments, and oral mythology recovery — each illuminating a different dimension of the site's significance.

Scholarly perspective

The Casa di l'Urca is a Neolithic passage dolmen dated to c. 3500 BC, part of the Monte Revincu megalithic complex — one of the most significant Neolithic sites in the western Mediterranean. Archaeoastronomers have confirmed that dolmen orientations in the Nebbiu region are non-random and likely keyed to solar events, with azimuths falling between 68° and 130°.

The two distinct orientations within the Casa di l'Urca specifically — entrance axis versus corridor passage axis — are interpreted as intentional astronomical alignment. Ethnographers have documented the Lurcu/Lurca legend as an extraordinary case of oral cultural memory preserving knowledge of specific prehistoric sites across approximately 5,500 years.

Living and traditional perspectives

The Corsican oral legend tradition 'A fola di u Lurcu e di l'Urca' is a living indigenous cultural memory that directly connects Casa di l'Urca to Corsican oral identity. The legend is still known in the Nebbiu region of Haute-Corse and is treated by scholars as a mythological encoding of Neolithic collective memory — possibly the longest documented link between a standing megalith and its named oral mythology in the western Mediterranean.

It represents an indigenous Corsican claim to 5,500 years of unbroken cultural relationship with this specific site.

Alternative interpretations

Researchers using GIS mythology-recovery methods argue that the Monte Revincu landscape — including Casa di l'Urca and its companion dolmen — formed a deliberate sacred cosmological map in which toponym preservation, oral legend, and dolmen orientations functioned together as an integrated prehistoric sacred geography.

In this framework, the paired male-female principle of the Lurcu/Lurca dolmens reflects a cosmological complementarity encoded both in stone and in story, and the site may have functioned as a regional pilgrimage destination where people came to engage with both dimensions simultaneously.

Open questions

The specific solar event targeted by the dolmen's dual orientation; whether the site served as a living oracle or knowledge-keeping space (as implied by the legend's association of the Lurcu with vast, feared knowledge); the full duration of funerary use of the chamber; and the nature of the relationship between the named oral tradition and the actual historical memory of Neolithic builders across six millennia of transmission.

Plan your visit

Access and arrival

Located in the Agriates desert, commune of Santo-Pietro-di-Tenda, Haute-Corse, approximately 30 km west of Bastia. No road access. Approach via marked foot trails from Agriates trailheads. Bring ample water and navigation tools (GPS or printed map). No admission charge. GPS: 42.668956°N, 9.264907°E.

Santo-Pietro-di-Tenda village (nearest settlement) offers limited options. Bastia (approximately 30 km east) has full hotel infrastructure. Camping may be available in the Agriates with appropriate permits.

Respectful visit

Robust hiking footwear essential. Sun protection, adequate water (no sources on route), and navigation tools are non-negotiable for the Agriates approach.

Permitted.

Not applicable; do not place objects on or within the dolmen.

Do not climb on the capstone; do not disturb or touch the orthostats; do not remove any stone or material; stay on marked trails in the Agriates protected area.

Do not climb on the capstone; do not disturb the orthostats; protected heritage site within the Monte Revincu complex. The Agriates is an ecologically sensitive area; stay on marked trails, carry out all waste, bring sufficient water — there are none available en route.

Location

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References

Sources consulted for this page. Source categories describe the publication, not a guarantee that every claim is verified. Traditional accounts and outside interpretations may differ.

  1. 01Legends, Megaliths and Astronomy in Corsica Island: U Monte RevincuacademicKey academic paper on astronomical alignments and oral legend connections; analyses dolmen orientations and the Lurcu/Lurca mythology
  2. 02Legends, Megaliths and Astronomy in Corsica IslandacademicResearchGate-hosted version of the archaeoastronomy paper with diagrams of megalithic structure at Cima Suarella
  3. 03Retrieving an old mythology in Corsica based on megaliths using a GISacademicGIS-based study recovering Corsican oral mythology from megalithic landscape distribution
  4. 04Related HAL paper on Corsican megaliths and mythologyacademicRelated academic paper on Corsican megalith mythology
  5. 05Dolmen de la Casa di l'Urca [Monte Revincu, Casa di l'Orca] — The Megalithic PortalSource contextSite record with GPS coordinates (42.668956N, 9.264907E) and structural description of the female ogress dolmen
  6. 06Dolmen de la Casa di l'Urcu [Saint-Florent Dolmen, Monte Revincu, Casa di l'Orcu] — The Megalithic PortalSource contextSite record for the companion male ogre dolmen (Casa di l'Urcu) 500 m away; helps clarify the pair relationship
  7. 07Casa di u Lurcu - House of the Ogre Monte Revincu - Vici.orgSource contextArchaeological site record with location context
  8. 08Ancient Corsica Tour - Casa di l'Orcu dolmen (entrance) — StonepagesguidePhoto documentation and description of the dolmen entrance
  9. 09Dolmen, Casa di l'orcu - désert des agriates — Corse-randos.comguideHiking guide to the dolmen with trail description

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