Er Grah Tumulus
Er Grah Dolmen · Tumulus d'Er Grah
Early to Middle Neolithic·Morbihan Neolithic·🇫🇷 Brittany, Morbihan, France
Broken_menhir.jpg: Bjørn som tegner derivative work: Myrabella (talk) · CC BY-SA 3.0
About
About Er Grah Tumulus
Colossal Neolithic tumulus at Locmariaquer, 140 m long x 30 m wide x 5 m high covering multiple funerary structures including central cist with Beaker material. Longest tumulus in Brittany, part of Locmariaquer alignment with Table des Marchand and Grand Menhir Brisé. Construction phases c.5400–3400 BCE showing evolution from pit enclosures to massive mound.
Open questions
Mysteries & theories
Mysteries
- 01Successive construction stages over 2000 years
Theories
- 01Territorial marker for Morbihan Gulf community
Theories are interpretations, not findings. The seal above tells you how much scholarly weight the place carries.
History
How it came to be
- Built
- c. 5000–3400 BCE
- Period
- Early to Middle Neolithic
- Culture
- Morbihan Neolithic
- Purpose
- Multi-phase monumental mound covering burials
- Abandoned
- c.3000 BCE
- Rediscovered
- 19th-century investigations; systematic 1985-91 Audran
- Excavation
- Excavated
c. 5000–3400 BCE
Initial construction
c. 1161 CE
Rediscovery
On the ground
Structures & features
47.5690° N · 2.9510° W · 15 m · 1 mapped feature
Long Tumulus
tumulus140 m earth tumulus with stone facade
47.5690° N · 2.9510° W
Gallery