# When were the Carnac rows raised? · Carnac alignments > Four answers have been proposed. The rows were raised in the fifth millennium BC, from about 4670 to 4250 cal BC, in stages over about three… leads, with… Source: https://mysteriesdept.com/mysteries/carnac-alignments/questions/QST0D69TB8R4CS4/when-were-the-carnac-rows-raised Publisher: Mysteries Department Licence: CC BY 4.0 (credit Mysteries Department and link the page) Updated: 2026-10-26T11:57:00+00:00 --- **0** # When were the Carnac rows raised? Asked 26 Oct 2026 by [**apollo** ](https://mysteriesdept.com/u/apollo)·4 answers·0·0 following **Most likely: the rows were raised in the fifth millennium BC, from about 4670 to 4250 cal BC, in stages over about three…** Ahead on the evidence, not yet confirmed. It needs two reviews to be accepted. ## Where it stands Four answers have been proposed. The rows were raised in the fifth millennium BC, from about 4670 to 4250 cal BC, in stages over about three… leads, with evidence 2 for, 1 against: supported by its tests. Three are still possible. Of the one narrower question under it, none is answered yet. ## Why it matters Without dates the rows could not be placed in the sequence of European megaliths or tied to the tombs around them; Le Plasker gives the first modelled chronology for any section⁠[[1]](https://mysteriesdept.com/sources/SRC0D69T3PJ4ZTB/le-plasker-in-plouharnel-fifth-millennium-cal-bc-a-newly)⁠[[2]](https://mysteriesdept.com/sources/SRC0D69T3YC3GDJ/radiocarbon-dates-and-bayesian-modeling-support-maritime). ## Answers 4 [**The rows were raised in the fifth millennium BC, from about 4670 to 4250 cal BC, in stages over about three…** ](https://mysteriesdept.com/mysteries/carnac-alignments/answers/ANS0D69TC8061BQ/the-rows-were-raised-in-the-fifth-millennium-bc-from-about) Supported by its tests Evidence: 2 for, 1 against Most likely [**None of these.** ](https://mysteriesdept.com/mysteries/carnac-alignments/answers/ANS0D69TEEA4WRK/none-of-these) Not tested enough to call either way Evidence: none yet Still possible [**Standing stones at Carnac began with late hunter-gatherers before 5000 BC.** ](https://mysteriesdept.com/mysteries/carnac-alignments/answers/ANS0D69TDPW441Y/standing-stones-at-carnac-began-with-late-hunter-gatherers) Not tested enough to call either way Evidence: 1 for, 1 against Still possible [**The main surviving rows belong mostly to the later Neolithic, after 4000 BC.** ](https://mysteriesdept.com/mysteries/carnac-alignments/answers/ANS0D69TD786QF2/the-main-surviving-rows-belong-mostly-to-the-later-neolithic) Not tested enough to call either way Evidence: 1 for Still possible ## History 1. 2025[Blanchard et al. puts forward: the rows were raised in the fifth millennium BC, from about 4670 to 4250 cal BC, in stages over about three…](https://mysteriesdept.com/sources/SRC0D69T3PJ4ZTB/le-plasker-in-plouharnel-fifth-millennium-cal-bc-a-newly) 1. 2025[UNESCO World Heritage Committee puts forward: the main surviving rows belong mostly to the later Neolithic, after 4000 BC.](https://mysteriesdept.com/sources/SRC0D69T5WW2KYD/decision-47-com-8b-23-megaliths-of-carnac-and-of-the-shores) 1. 2025[Blanchard et al. puts forward: standing stones at Carnac began with late hunter-gatherers before 5000 BC.](https://mysteriesdept.com/sources/SRC0D69T3PJ4ZTB/le-plasker-in-plouharnel-fifth-millennium-cal-bc-a-newly) 1. 2025[Blanchard et al.: le Plasker is a lost section 2 km from the surviving rows; no row at Le Ménec, Kermario or Kerlescan is yet…](https://mysteriesdept.com/sources/SRC0D69T3PJ4ZTB/le-plasker-in-plouharnel-fifth-millennium-cal-bc-a-newly)Against: The rows were raised in the fifth millennium BC, from about 4670 to 4250 cal BC, in stages over about three… 1. 2025[Blanchard et al.: nine foundation pits at Le Plasker date to 4668–4368 cal BC and a last stone to 4372–4249 cal BC (95.4%).](https://mysteriesdept.com/sources/SRC0D69T3PJ4ZTB/le-plasker-in-plouharnel-fifth-millennium-cal-bc-a-newly)For: The rows were raised in the fifth millennium BC, from about 4670 to 4250 cal BC, in stages over about three… 1. 2025[UNESCO World Heritage Committee: the World Heritage property's monuments span about 5000 to 2300 BCE, so later building in the complex is…](https://mysteriesdept.com/sources/SRC0D69T5WW2KYD/decision-47-com-8b-23-megaliths-of-carnac-and-of-the-shores)For: The main surviving rows belong mostly to the later Neolithic, after 4000 BC. 1. 2025[Blanchard et al.: a 300-year gap separates the Mesolithic phases from the first Neolithic building; the rows begin after 4670…](https://mysteriesdept.com/sources/SRC0D69T3PJ4ZTB/le-plasker-in-plouharnel-fifth-millennium-cal-bc-a-newly)Against: Standing stones at Carnac began with late hunter-gatherers before 5000 BC. 1. 2025[Blanchard et al.: three small monoliths stand beside the Late Mesolithic hut at Le Plasker, set before the later cairn.](https://mysteriesdept.com/sources/SRC0D69T3PJ4ZTB/le-plasker-in-plouharnel-fifth-millennium-cal-bc-a-newly)For: Standing stones at Carnac began with late hunter-gatherers before 5000 BC. 1. 26 Oct 2026Asked on this site ## Discussion 0 [Add to the discussion](https://mysteriesdept.com/signin?next=/mysteries/carnac-alignments/questions/QST0D69TB8R4CS4/when-were-the-carnac-rows-raised%23discussion) Help with this question [ **Propose an answer** Something the evidence could support or rule out ] [ **Propose an answer** Something the evidence could support or rule out ](https://mysteriesdept.com/signin?next=/mysteries/carnac-alignments/questions/QST0D69TB8R4CS4/when-were-the-carnac-rows-raised%23add-answer) [ **Add evidence** A result for or against an answer ] [ **Add evidence** A result for or against an answer ](https://mysteriesdept.com/signin?next=/mysteries/carnac-alignments/questions/QST0D69TB8R4CS4/when-were-the-carnac-rows-raised%23add-evidence) [ **Ask a sub-question** A smaller question that would help settle this one ] [ **Ask a sub-question** A smaller question that would help settle this one ](https://mysteriesdept.com/signin?next=/mysteries/carnac-alignments/questions/QST0D69TB8R4CS4/when-were-the-carnac-rows-raised%23add-question) [ **Add a source** A paper, archive record or image ] [ **Add a source** A paper, archive record or image ](https://mysteriesdept.com/signin?next=/mysteries/carnac-alignments/questions/QST0D69TB8R4CS4/when-were-the-carnac-rows-raised%23add-source) Where it fits Carnac alignments **When were the Carnac rows raised?** Key question · you're here [How much of the original complex survives?](https://mysteriesdept.com/mysteries/carnac-alignments/questions/QST0D69TC060AY7/how-much-of-the-original-complex-survives)Most likely · large parts of the complex have been removed, leaving buried foundation pits that can be mapped [ Ask a question under this one ]