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Rego Grande: “Stonehenge of the Amazon” Aligns to the Winter Solstice

Rego Grande (sometimes also called Cromlech of Calçoene) – an ancient sacred site found in the Amazon Rain forest – Yurileveratto – Own work CC BY-SA 3.0 via Wikimedia

On a hilltop hidden in the Brazilian Amazon rain forest sits the remnants of an ancient stone circle, which has been dubbed the Amazon’s very own Stonehenge.

Former cattle foreman Lailson Camelo da Silva, was burning down trees in order to create pasture in the 1990’s when he discovered a circle of large granite stones.

The site is located in Solstice Archaeological Park in Amapá state, Brazil, and is sometimes referred to as the “Tropical Stonehenge” because of its astronomical alignments and its similar circular stone form. Scholars have found that Rego Grande aligns to the winter solstice.

On the Wikipedia page for the site it describes the alignments:

On the winter solstice of December 21, the shortest day of the year in the northern hemisphere, the shadow of one of the blocks disappears when the sun is directly above it.

The rock seems to be placed at angle so that the shadow is possibly small throughout the day. It is this block’s alignment with the December solstice that leads archaeologists to believe the site was once a type of astronomical observatory.

They believe the site was made by a sophisticated indigenous culture. One of the stones has a circular hole carved into it.

During the winter solstice, the sun shines directly though this hole onto another rock for an extended amount of time, supporting the idea that Amazon Stonehenge was used as an astronomical site.

An article in The New York Times also suggests that this discovery provides new insights into Pre-European communities, suggesting they were far more advanced than previously thought, given their ability to construct these stone monuments with the knowledge to align them to the movement of the sun.

28 Comments

  • Wow what a great find! Its amazing to see how many ancient cultures were connected to the spiritual sun religion and how advanced they were to create such monuments.

  • I love to think there are still these beautiful megaliths hidden in the jungle! Thanks Vida. I wonder if the granite has special properties that were harnessed. Seems the type of stone used was important in these places too.

  • Amazing the information is everywhere the more you start to look thanks for posting, would be awesome to visit some day

  • I like that they are referring to them as sun stones. 🙂 I wonder too about the dating of 1,000 years old. Whether that is accurate, or whether like some other sites (like the Sphinx in Egypt) there might be an alternate way of dating them that shows they are actually them much, much older.

    • Interesting point David. Although I haven’t looked into these too closely yet, I wouldn’t be surprised if they are much older.

      I find it really eye-opening to dig into the conventional dating of stone monuments. It often seems like it’s more of a “best guess”, informed by the organic material located nearby (which could easily have been left at a later date) or other factors that are highly interpretive and leave lots of room for error.

      The Sphinx like you mention is a great example. Graham Hancock does a good job at describing how thin the rationale for the conventional dating of the Sphinx is (based on a single inscription that was written much later than the supposed events it refers to). And yet that dating is pretty much universally accepted and the hard physical evidence for an earlier dating is virtually ignored.

      • Seems like it’s a highly controversial field, like there is a deliberate suppression of how old sites really are.

        Apparently at Göbekli Tepe which is already officially one of the world’s oldest sites, the deeper down people dig the more beautiful and intricate the carvings become showing that the original builders could have been much older and more advanced, and another culture built on top of the site. But now it is being said that funds have dried up so they are no longer able to dig down deeper.

        I wonder what the motives behind it are exactly.

  • Interesting!
    When I lived in Brazil, I heard stories of places in the Amazon forest that were visited by ETs quite often and also ancient structures. There may be an important magnetic focal point somewhere in there – it’s a huge forest.
    Also, there are legends told by the natives throughout what is now Brazil that speak about communication with beings from other worlds and about huge structures.
    Maybe that’s why it’s said the Brazilian UFO Society is the largest or more active in the world…
    Thanks for posting!

    • I thought of you when I read this, Daniel, and wondered if you knew about it 🙂

      Sounds like an amazing place, and I have a feeling there’s a lot more “hiding under the brush” over there…

      • I knew there was something special about the Amazon, probably due to its isolation from the rest of the world. Some stories tell of a UFO base in the jungle where some people from Earth work with people from other worlds (similar to stories about the high mountains in Tibet), but I didn’t know of specific places or structures like the one on the article.
        Well… unfortunately, the Amazon forest is being destroyed at a huge rate (18% of the Brazilian portion destroyed in the last 40 years), so we may soon be able to see more of those structures and/or other traces of highly developed ancient civilizations in there.

        • Maybe that’s the way to save the Amazon forests: announce that they are full of mysterious advanced pre-Columbian structures, and that the more forest is cleared the more these will start poking out… 😄

          No, but seriously, I suspect the Amazon jungles house many mysteries. It seems that with google earth and the internet many sites are being uncovered more and more frequently in those overgrown areas, often by simple hobbyists with great success. I’m certain more will continue to be uncovered as time goes on.

          • That’s true!
            Recently, a 15-year-old boy may have found an ancient Mayan city using satellite images and Mayan astronomy – archaeologists say that’s still to be confirmed in loco, but they consider the satellite photos pretty promising.

    • Pretty cool to think that sacred sites might be gathering points for ETs. Would make sense as there are so many crop circles made close to ancient sites.

      • Interesting you say that David, many people including celebrities seem to admittedly believe that ancient sites like Machu Piccu are known for ETs and have gone there specifically to seek them out. Another reason why so much crop circle activity exists around sacred landscapes like Wiltshire, England where Stonehenge, Avebury stone circle, Silbury Hill and dozens of other sites seemingly appear to be mapped out and aligned together — some believing that they are positioned as though mirroring the Milkey Way, Orion, Pleides etc.. With that in mind, I can’t help but think how connected and related these ancient structure are with the universe and other-worldy influences.

        • Hi Olga,

          What you say made me think of drawing a parallel between Britain and some of the areas in central and south America.

          Both having these huge amounts of sacred sites (most of them still unexcavated under the soil) of pyramids and on the other side stone circles. Both having at one time these grand societies where spirituality of the Sun played such a major part in their life. Both having high UFO activity, which lingers and continues to this day for some reason? What is that saying?

          But where are those people…? If these sites and their knowledge are being rediscovered, if the phenomenon of UFO’s and crop circles is still here and is being brought to light— Then perhaps the people who appreciate and are pulled towards this mysterious side of life should also reappear 🙂

          • Its an interesting phenomena. Seems like people are often pulled to mystery without knowing. Ancient temples and ruins are usually crowded like tourist sites, and archaeologists and researchers with a passion search deeper to uncover their secrets.

            As a child, I used to stare at the stars through my window every night as I went to bed. And today, I am still mesmerized by their fabric. But looking back I often chuckle at the sillyness of staring at some possible civilizations up in the sky, why didn’t I look further and act on the awe, create something from it, get to the truth, bring some kind of activity etc.. rather than just always lay in bed staring 🙂

    • Interesting that you heard people say that Daniel. From some documentaries I watched there does seem to be in general a different ‘culture’ surrounding UFO’s in some of those central and south American regions. Compared to some of the western countries where people are brought up to disbelieve and be scared of the phenomenon, which I think is quite unconducive to it.

      • That’s true, Karim.
        I remember when crop circles became more spoken of in Toronto, I found it strange to see that most people had no idea they were so common.
        I used to stare at the night skies in the South of Brazil with some family members just after 2000 and up to 2009 and we were able to see intense colourful lights moving really fast as if drawing stuff in the sky with right angles, some were larger than others and some seemed to make efforts to call people’s attention. Sometimes that happened night after night for a few days, sometimes we couldn’t see anything for months.
        In general, UFOs were taken as possible beings from other worlds in Brazil, it was in popular music, TV shows, soap operas, etc. Some TV stations reported them and showed live images several times. In one of those times, I was at work when someone called us to see what was passing on TV (they were showing live images of bright lights in the sky) and I decided to go check the skies – it was a beautiful bright blue sky close to 1pm on a weekday, no clouds at all when I saw an extremely bright large light right there in the middle of that intense blue midday sky. It was stationary and it stayed there for a long time. It was not the sun or the moon, because we could see them both and the object was a lot brighter than the moon anyways. I called my coworkers and everybody was able to see that.
        There were several reports from the military and other well known people, many with pictures.
        Other Latin American countries reported similar phenomena those years.

      • Yes I noticed that too Karim how certain cultures are more open to the discussion of ETs, especially in South America, then others. I often wondered about remote places like the jungles and what hidden treasures were contained within them- undiscovered herbal medicines, ancient civilzations, ET sightings and now a sacred solar site aligned to the winter solstice – that’s pretty exciting news.

    • That’s pretty cool Daniel. I hadn’t heard that about ET’s visiting the Amazon. It seems like a place that has many mysteries! I’m going to have to check out the Brazilian UFO society, thanks for sharing that.

  • Wow, that is amazing. I think I may not be alone in thinking that this is quite unexpected (?).

    For some reason I never would have thought that this kind of structure would have been found in Brazil.

    I suppose it just highlights the importance of this immensely informative site – the information here is really surprising and it makes you start to rethink history as we have been taught it again and again.

    Thanks for sharing this!

  • Fascinating! These sites just seem to pop up everywhere. Interesting that in the news article it mentions earlier explorers coming across other megalithic sites in the area which are yet to be excavated, and also that there could have been up to 10 million people living in the Amazon in pre-colonial times.

    • 10 million people 😮

      I remember years ago reading accounts of old-time archeologists sharing how in their expedition to explore one place in South America they’d come across many others in the jungles — too many to keep up with.

      We visited one temple in Indonesia at one point that until not that long ago was completely swallowed up by the jungle. It’s a fairly large temple (Borobudur), so it took a lot of “jungle” to make it “disappear” until a certain person re-discovered it in recent history and began restoring it.

      I can only imagine how many smaller temples, mounds, altars, circles, etc. are hidden like that — especially in South America, where jungles and uninhabited areas abound and where ancient culture was so rich and the civilization of the sun so active.

    • I’ve heard similar accounts to you both about large civilizations in the Amazon, although until reading Vida’s post I didn’t realize the possibility there may be a link to the religion of the sun.

      I remember seeing a documentary about how an early European explorer went down the Amazon river by boat and reported seeing all these large settlements, but his account was discredited and disbelieved when he returned to Europe.

      Many today still believe the story was made up because the soil in the Amazon is too infertile (from all the rain washing nutrients away) to support the large-scale farming needed for the big settlements he described. But then it showed how ancient people engineered their own soil in that region to grow crops, and the soil they created (using large quantities of charcoal or char-wood) is still very deep and fertile today more than a thousand years after they believe it was made.

      Perhaps those people cited by the early explorer were descendants of the people who originally created the soil.

      The soil is called “terra preta” meaning black soil in Portuguese. Here’s the Wikipedia article about it: https://en.wikipedia.org/wiki/Terra_preta

      I don’t think modern farmers have created soil that good — in fact a lot of modern farming practices destroy the soil. Some modern pemaculturists and other researchers are trying to work out how to replicate it, although modern attempts have not yet succeeded in re-creating its unique properties from what I’m aware.

      • Whoa. I would definitely like to know how to re-create that soil for my garden. It sounds pretty impressive. 🙂 I’ve heard of other things like that from around the world where ancient people had to come up with some pretty incredible ways of dealing with the nature around them.

        I remember watching a documentary about Angkor Wat, and how they built it in such a way to be able to deal with the rising and falling of the water table. It seemed pretty sophisticated.

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