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     Passage-Mounds: (Form and function).

Featured Items.

 

 

 

Passage mounds rank among the largest prehistoric structures left by the megalithic builders. They are strongly associated with astronomy, and share constructional features with both dolmens and Pyramids.

Scroll down for more...

 

 

There are several substantial passage-mounds across western Europe, some of which can have only been built with the support of a large-scale 'civil' organisation of skills, labour, materials etc. The fact that several of the largest mounds were built at the same period of prehistory (3,300 - 3,000 BC), combined with similar construction principles, art, design and orientation of passages, leads one to look the development of these structures at this particular  period of prehistory, as representing the result of an establish and structured society (civilisation). This period is recognised as the creation date for several other important European megalithic complexes and prominent structures (let alone the start of the Egyptian dynasties), and it will come as no surprise to many if one day, a connection is made between these hitherto apparently separate cultures.

 

 

Passage mounds: What were they for?

 

By definition, a passage-mound is a mound - with a passage in it... generally leading to a chamber in the centre. The passages of all the significant European mounds are invariably orientated so as to mark significant celestial events (such as the equinoxes, solstices, and lunar minor and major stand-stills), allowing light to enter the interior of the mound at fixed moments of the year only (more below).

Passage mounds are suggested to have originated from the basic circle or henge monuments, such as at Brynn Celli Ddu, in Wales. However, there are components in the design of the mound which can be seen in other megalithic structures. The principle of building a structure which allows sunlight (or other) to enter it at selected times of the year is echoed across Egypt both in the pyramids of the north, and the temple complexes such as Thebes in the south. The internal masonry that composes the passage and chamber of European passage mounds also shares a strong similarity to that of dolmens, which themselves range from a simple dolmen (chamber) to a dolmen including a passage.

The following picture is of the Zambujeiro passage-mound in Portugal, which has had a large part of the mound removed revealing the passage masonry, showing strong similarities with the passage-dolmens of France .

For a long time, passage-mounds, along with several other ancient structures, were assumed to be 'funerary' structures. For this reason, these structures were termed funerary mounds, passage graves etc, but human remains, when there were any have almost invariably revealed themselves to be from a secondary use. It is no longer possible to ignore the fact that there is also a strong astronomical influence in the design of the structures. In the Boyne valley, Ireland - the passage-mounds and their surrounding structures have been shown to jointly offer an accurate means of calculating the most significant moments in both the lunar and solar cycles.

 

Also in Ireland, the 'Mound of hostages' - on the Hill of Tara in Ireland is a legendary sacred site. Along with many other passage mounds, it is orientated to allow the passage of sunlight to 'penetrate' its body only once each year.

(More about Tara Hill)   

 

There is little argument to the notion that, as the menhir is to the male, so the passage mound is to female. The association is well documented and can be seen around the ancient world. But to what extent is the association with passage mounds and the female form valid? - What purposes did they serve, beyond a possible representation of the earth-mother-goddess. The oracle centres of ancient Greece were traditionally frequented by females called 'Sybils' who were associated with serpents and the underworld...

(More about the Oracles)

 

The building of such large passage mounds as those seen at the Boyne valley, Gavr'inis, Maes-Howe, Zambujeiro etc, would have been no easy endeavour, with man-hours estimated in the thousands for each structure. In addition, the variety of skills, organisation and levels of energy required to accurately achieve such constructions, suggests the presence of a highly organised society. We are told by the guides at Newgrange that this structure alone took an estimated 50-60 years to build, (the length of two average Neolithic lifetimes), effectively ruling it out as a 'funerary' structure....

 

When were they built:  

At Carnac, the Kercado passage mound, south-east of the Kermario alignment has produced Radio-Carbon dates of 4,700 BC. The mound is surrounded by a circle of stones and has a menhir on its peak. The entrance of the chamber faces 32° south of east, almost exactly towards midwinter sunrise. (6)

Recent research in France has revealed that several of the passage-mounds in the Carnac region were constructed around 3,300 BC, by people who used and absorbed the megaliths from existing monuments made by a previous megalithic culture (around a thousand years earlier), into the megalithic structures which we see today. Their early appearance in southern Europe and consequent re-introduction at 3,300 BC in France, Wales, and 3,200-3,000 BC in Ireland and Scotland offers a suggestion of coastal migration northwards.

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Similarities between European passage-mounds.

 
 While the outsides of many passage-mounds have suffered from the fancies of the restoration team, the insides have remained relatively untouched, and it is here that we find several structural and artistic similarities between the European passage-mounds. The following examples include some of the largest and well known passage mounds in Europe.
 

The crossed lintel-stones: The passage-mound at Gavr'inis has a specific feature in common with at least one other passage mound in Ireland. They both have a stone with a series of 8 (9?)-crosses on its face in the entrance or passage. This feature has been found at both Newgrange (over the light-box), and at nearby Four-knocks. We already know that Newgrange has been dated at 3,200 B (2), which, when combined with the similar orientation and passage art, lends itself to the idea that they may all be contemporary structures.

The drawing on the right was made before the reconstruction of the Newgrange mound. It suggests that the lintel-stone at Newgrange may have had 9 crosses on it rather than the 8 usually quoted. If this is the case, then the stone would be an almost exact match for the stone in the Gavr'inis passage mound (which also has 9 crosses), now in the floor of the passage (where just the tops of the crosses are now visible).

The passage-mound at Four-knocks is also reported to having a lintel-similar stone over the entrance, but it has a zig-zag pattern on its face, and is therefore not identical. Having said that, there are two lintel stones inside Fourknocks, which do show a greater similarity to the stones at Gavr'inis and Newgrange.

(Click here for more about light-boxes)

Raised internal chambers: Both the Newgrange and Gavr'inis passage-mounds have artificially raised internal chambers. In Newgrange, this elevation of the chamber reduces the entry of light into the central chamber as the following diagram illustrates.

 

Similarities in art: It has been noted that there are several distinct similarities between the art of the Orkneys complex, the Boyne Valley complex and the Carnac complex (in particular Gavr'inis) as the following pictures illustrate.

Newgrange kerbstone (left), and the 'Westray' stone, Orkneys (right)

 (Click here for further similarities)

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The Cruciform Chamber.

Cruciform chambers: Newgrange, Knowth, Dowth, Fourknocks and Maes-Howe all have cruciform chambers inside (And the internal layout of the Maltese temples also show strong similarities). The exact function/purpose of the cruciform design is still unknown, but there are some common threads which may offer a clue as to their original purpose.

They are distinguished by a long passage leading to a central chamber with a corbelled roof. From this, burial chambers extend in three directions, giving the overall impression in plan of a cross shape layout. Some examples have further sub-chambers leading off the three original chambers. The network of chambers is covered by a cairn and lined outside with kerb-stones.

A common trait is megalithic art carved into the stones of the chambers' walls and roofs. Abstract designs were favoured, especially spirals and zig-zags.

Examples are Newgrange , Knowth, Dowth and Fourknocks  (amongst many) in Ireland, Maes howe in Orkney, 'La Hougue Bie' on Jersey and Barclodiad-y-Gawres in Anglesey, and the Maltese temples.

 

Newgrange (left), with three stone bowls, one in each recess, Maes Howe (right).

 

The tomb of Ahmoset (left); 'Fanbearer on the King's Right Hand', 'Steward of the Estate of Akhetaten' and 'Royal Scribe' at Akhetaten' during the Amarna Period, was also cruciform in shape. It is interesting to note that here too a bowl was present.

'The shrine opening from the very back of the broad hall on the center axis of the tomb was undecorated, though a seated statue of the tomb owner was cared at is back. However, this is now badly mutilated. A libation basin was cut into the floor in front of the statue'.

(Ref: http://www.touregypt.net/featurestories/Ahmoset.htm)

 

1). European Cruciform chambers are frequently associated with astronomical orientation.

1). Large stone bowls have been found inside several of the most prominent passage mounds.

 

The same cruciform symbolism is seen around the ancient world, where it is often associated with the 'World-Tree' or the Sun.

Palenque, Mexico (left), Celtic cross (right)

 

Stone 'Libation' Bowls.

It has been noted that the cruciform chambers of several large, prominent passage mounds contain large, stone-cut 'offering'-bowls or 'libation-bowls'.

Above left and right - Hal Tarxien, Malta.

Knowth (left), Newgrange (centre) with one in each recess, and Dowth (right).

The bowls at the Boyne valley (above) were found to have funerary deposits in them, although it is not clear if that was what their original purpose was. In the case of the Dowth bowl, it has been shown from its dimensions that the passage (and therefore the mound), had to have been built around it. The engravings on both the Newgrange and Knowth bowls suggest that they are contemporary too.

(More about the Boyne-valley complex)

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Passage mounds and astronomy.

 

Research supports the idea that there is relationship between passage-mounds and the astronomical orientation of their passages.

 

Name of Mound

Orientation

   
Newgrange, Ireland Winter solstice sunrise
Knowth, Ireland. Lunar minor standstill, Equinoxial.
Dowth, Ireland Cross-quarter day sunset, and minor lunar standstill.
Fourknocks, Ireland 17° east of true north.
Knocknarea, Ireland Unknown.
Loughcrew, Ireland Various orientations.
   
Gavrinis, France Winter solstice sunrise.
Kerkado, France Coming soon.
La Table des Marchands, France Summer solstice sunrise
   
Maes Howe, Scotland Winter solstice sunset, Venus
   
Brynn Celli Ddu, Wales Winter-solstice, Venus.
Barclodiad y Gawes, Anglesey (Coming soon)... Spirals, lozenges and Zig-zags
   
Commenda da Igreja, Portugal Pleiades rising. (Marks the start of the agricultural year)
Zambujeiro, Portugal Pleiades rising. (Marks the start of the agricultural year)
   

 

The Boyne-Valley passage-mounds.

The Boyne Valley structures have been shown to have been built so as to be orientated and aligned amongst each other so as to mark many important solar and lunar events. Combined with the inter-visibility of structures at Loughcrew and Tara hill, both of which were important megalithic sites in their own right, and both of which also contain astronomical markers, and we are able to begin to see that there is no doubt that astronomy was important to the builders of the large Irish passage-mounds of 3,200 BC. It is suggested that this network of inter-visible sites would have operated like a giant 'calendar' for the inhabitants at the time. (1)

(More about Astronomy and the Megaliths) - (More about the Boyne-valley complex)

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Examples of Passage mounds.

 

French Passage-mounds:  Research in France has revealed more than one building phase of passage-mounds in the Carnac region. The Neolithic builders of 3,300 BC absorbed the monuments from an earlier megalithic culture into their own structures (from over a thousand years before).

 

The capstones from Gavr'inis (left), Er-Grah, and La Table des Marchands (right), have all been shown to be parts of a earlier, single monolith. The construction phase for these passage structures is dated at 3,300 BC.

(More about the Carnac complex)

 

The Irish passage mounds: Ireland has the highest concentration of passage mounds, and they have been shown to serve a specific function, namely that between them, they functioned  provided the locals with an accurate calendar of all the major solar and lunar events throughout the year. (1)

The Irish passage mounds from the Boyne valley region, were built at around 3,200 BC (2), the same time as the French were building theirs.

(Boyne-Valley complex)

 

 

Portuguese passage-mounds: There are several passage mounds in Portugal ranging from full sized, 50m diameter mound of Zambujeiro to the more frequent but smaller mounds such as the Orca mounds by the Mondego river.

The Portuguese passage mounds present themselves as a unique hybrid of both dolmen and passage-mound, with several of them having never been fully covered.

Although there are several different variations on the design of the Portuguese mounds, they have a style that remains unique to themselves which is that the stones supporting the capstones (invariably between 7 and 9), are placed with the front stones seemingly resting on the larger stones at the rear of the chamber. This style of construction is not seen elsewhere in northern Europe where the stones are placed upright independently of each other.

Another noticeable fact with many of the Portuguese dolmens and Passage-mounds is that a great many of them have the top-half of the stone on the N-E of the chamber missing. Whether or not this is a remnant of the 'christianisation' of prehistoric sites, or just a coincidence is unknown at present.

(Prehistoric Portugal)

 

Passage-mound Gallery.

 

Coming soon.

 
 

La Table des Marchands, France

Kerkado, France

Gavrinis, France

 
 

Brynn Celli Ddu, Wales

Knowth, Ireland.

Dowth, Ireland

Maes Howe, Scotland

 
Anta da Arcainha, Portugal.

Tapadao, Portugal

Orca da Lapa, Portugal Anta Grande do Igreja da Commenda, Portugal Zambujeiro, Portugal
Mound of Hostages, Ireland Knocknarea, Ireland Fourknocks, Ireland Newgrange, Ireland Loughcrew, Ireland

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 The 'Rough Guide' to ancient sites from around the world.

References:

1) M. Brennan. The Stones of Time. 1994. Inner Traditions.
2). C. O'Kelly. Newgrange, A concise Guide. 2003. Houston, Cork.
 

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