Engineering/transport explanations are plausible but not fully settled
Claim about Grand menhir brisé d'Er Grah · Stance: observational
Sourcing and transport likely involved a mix of quarrying knowledge, leverage, and possibly waterways; experimental archaeology constrains what’s feasible, but many specifics remain inferential.
Site
- Grand menhir brisé d'Er Grah Locmariaquer, Brittany, France
Evidence for and against
- Ministry of Culture dossier: 'Grand-Menhir brisé et les autres' (Mégalithes du Morbihan)
- Transport and labour estimates (experimental archaeology references)
- SRA Bretagne digital library entry for Locmariaquer scholarship (Le Roux and others)
- Material and sourcing notes (orthogneiss; local/regional procurement)
Other claims about Grand menhir brisé d'Er Grah
- Originally one of Europe’s largest standing menhirs (now broken)
- Part of the Locmariaquer megalithic ensemble in a wider Morbihan landscape
- Simple 'astronomical sightline' or 'indicator' stories are not secure
- Why it fell and broke remains uncertain
- Dismantling and reuse: fragments may link multiple famous monuments (disputed)
- The engraved motif’s meaning is debated
- Modern heritage status shapes what we can see and how we talk about it
- The Locmariaquer landscape was repeatedly reconfigured over centuries