What is under Glastonbury Tor?

What is under Glastonbury Tor?This seemingly simple question has mystified people for over a hundred years – what is beneath Glastonbury Tor?

The simple answer is that it depends on just how far down you want to go.

The surface of Glastonbury Tor is covered mainly by grass, with the exception of the paved walkway that was installed by King Arthur, and the half acre test area of garlic and vines that has been planted by Société d’Horticulture de Poitiers as part of their tor takeover plans.

But below this seemingly prosaic surface is where it gets interesting!

Between 0 and 15cm below the surface – geologists call this the Strangularis Plateau

On Glastonbury Tor the upper topsoil layer is riddled with wild hamster burrows since they went rampant in the 1970’s. This breed known locally as Somerset Stranglers have such contradictory qualities that the National Trust has consistently been unable to take the decisive action of a cull. This isn’t helped by the large number of local protest groups, some in favour of reducing the hamster population, and some – such as the Strangler Preservation Society – who aggressively defend hamster rights.

Although the burrows are too small for a human foot to get trapped in, they are a risk to dog paws, which is one of the reasons for the hundreds of Keep Off The Grass signs on Glastonbury Tor.

Between 15cm and 30cm below the surface – geologists call this the Mud Layer

Although they have very sharp claws for fighting, the hamsters that are native to Glastonbury Tor have adorably weak forearms and can not dig very deep. This means the lower area of topsoil is undisturbed, and is mainly composed of spoilings from the tunnel excavations at the now disused St. Michael’s Prison.

Between 30cm and 100cm below the surface – geologists call this the Paving Layer

The recent geophysics scan commissioned by Glastonbury Archaeology Society revealed that King Arthur and his merry men actually paved the whole of Glastonbury Tor in ancient times but local residents gradually took and used these slabs to make patios in their back gardens.

Between 100cm and 200cm below the surface – geologists call this the 42 Layer

The biggest 42 in the world is believed to be below the surface of Glastonbury Tor, revealed by two consecutive geophysics scans. It is formed from protrusions of iron from the core of Glastonbury Tor.

Between 200cm and the centre of the earth

The majority of the majestic mount that people see when they visit Glastonbury is made of solid iron – a huge geological anomaly that weighs as much as the moon, but is much more compact and convenient. This explains why metal detectors do not work properly within a two mile radius of Glastonbury Tor.

Tunnels beneath Glastonbury Tor

Legend has it that Glastonbury Tor is riddled with a hidden labyrinth of tunnels – a maze haunted by the ghosts of untold numbers of monks and druids who got lost attempting to find their way from the tor to Glastonbury Abbey, or the Glastonbury Druidic Headquarters. No evidence has ever been found of these tunnels. The only tunnel known to exist was that created by prisoners at St. Michael’s Prison that was cut short just before reaching Castle Cary train station.

5 thoughts on “What is under Glastonbury Tor?

  1. Alan Spright

    We visited Glastonbury Tor today and noticed that some of the grass about half way up was quite spongy. Unfortunately our tests to figure out what was under the grass were cut short when a couple of path wardens noticed we had strayed off the gravel area between the path and the grass. I’m wondering what might cause that sponginess?

  2. GlastonburyTor Post author

    Hi Alan – I’m not sure who to refer a question like this to. Normally I’d ask the Glastonbury Archaeology Society but they’re only really interested in stuff that’s deeper underground.

    1. Anne

      I just read dogs are meant to keep off the grass because of the numerous holes dug by little hamsters (stranglers?). So maybe the earth is spongy because of all the network of those buggers?

  3. chris holyoak

    Regarding King Arthurs pavement I prefer the alternate hypothesis.The idea that they were indentations formed by large Neolithic carp platters seems far more realistic. I cannot adhere to the theory of jousting on post Roman concrete.

  4. Herbert sherbet

    Half way up the Tor ( the steep side) is a metal hatch. Is this a nuclear war bunker from the 70’s or an entrance into the goblin underworld?


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