Allée couverte de Kergoustance
MonumentHidden Treasure
Allée couverte de Kergoustance, located in Moëlan-sur-Mer (Département 29), is a historic monument. The monument is currently closed to visitors.
Key facts
- Type
- autre
- Location
- Moëlan-sur-Mer, Département 29, Bretagne
- Visit
- Closed to visitors
- GPS
- 47.8144, -3.6372
- Mérimée Reference
- PA29000005
A 17-metre Neolithic covered walkway nestling in southern Brittany, Kergoustance combines two extremely rare megalithic construction techniques in a single monument: the classical pillared chamber and the segmental arch vault.
History
In the heart of the Moëlan-sur-Mer region, in South Finistère where moorland meets rias, the Kergoustance covered walkway stands out as one of the most sophisticated megalithic testimonies of the Breton coastline. Seventeen metres long, three metres wide and two metres high, this Neolithic collective burial site far exceeds the average Armorican covered walkway in terms of both its size and structural complexity. What immediately distinguishes Kergoustance from its regional counterparts is the coexistence of two funerary architectures within the same space. To the east, a classical chamber unfurls its rows of upright slabs supporting massive lintels - a mineral layout of almost geometric rigour. To the west, the structure takes on a completely different logic: the slabs incline and support each other according to the principle of the flying buttress, a variation specific to southern Brittany that gives this sector an almost organic, vault-like silhouette. The visitor experience is both intimate and striking. The human scale of the monument - you can enter and walk along the chamber - creates a direct physical relationship with the stone, something inaccessible in front of a castle or a cathedral. The silence, the moss on the orthostats, the light filtered according to the time of day: Kergoustance speaks to those who know how to listen to stones. At the western end of the chamber, a separate room - the chevet - is a typical Armorican feature, attested to in other covered walkways in Finistère and Morbihan, but still rare. This architectural arrangement suggests complex ritual practices, perhaps a distinction between funerary spaces intended for different statuses or moments in the rite. Listed as a Historic Monument since 1996, the site remains discreet, protected from mass tourism, and can be visited freely in a natural setting characteristic of the coastal bocage of southern Finistère. A monument for curious archaeology enthusiasts, lovers of authentic Breton landscapes and anyone looking to literally touch the first expressions of organised humanity.
Architecture
The covered walkway at Kergoustance has an elongated rectangular plan, seventeen metres long, three metres wide and two metres high under the lintel - proportions that make it a monument of respectable size in the corpus of Armorican covered walkways. The whole structure rests on orthostats made of local granite, a material that is omnipresent in the subsoil of Finistère and whose exceptional strength explains the remarkable preservation of the monument after five millennia. The major architectural feature of Kergoustance lies in the cohabitation of two construction techniques within the same interior space. The eastern part of the chamber adopts the classic formula of covered walkways: two parallel rows of vertically upright slabs (orthostates) serve as pillars on which slab lintels rest horizontally, forming a covered corridor of almost architectural regularity. The western section, on the other hand, illustrates the arched and buttressed technique, a variant typical of southern Brittany: here, the side slabs are inclined inwards and support each other by leaning against each other, eliminating the need for horizontal lintels and creating a primitive ogive cross-section of remarkable ingenuity. At the western end of the main chamber is a separate room, commonly known as the chevet or terminal cell, which is a specifically Armorican feature documented in a few covered walkways in Finistère and Morbihan. This independent cell, separated from the main chamber by a slab partition, suggests a deliberate spatial organisation of the burial space, perhaps intended to separate the bones of particular individuals or to accommodate specific ritual deposits.
Related Figures
Bâtisseurs néolithiques anonymes du Finistère sud (vers 2500-2000 av. J.-C.) — concepteurs et constructeurs du monumentÉrudits de la Société Archéologique du Finistère (XIXe siècle) — premiers fouilleurs et descripteurs scientifiques du sitePopulations gallo-romaines locales — utilisateurs secondaires du monument, attestés par le dépôt d'une urne funéraire
Tags
Frequently Asked Questions
Where is Allée couverte de Kergoustance located?
Allée couverte de Kergoustance is located in Moëlan-sur-Mer, Département 29 department, Bretagne region, France.
Is Allée couverte de Kergoustance open to visitors?
Allée couverte de Kergoustance is currently closed to visitors.