The concrete bases are the remains of a 20th century mineral processing mill.
The conical structures in the old dressing floors are the remains of devices known as "buddles". These were used to separate the ore from the rock (known as gange) in the ore slurry created by the stamping mill. The slurry was trickled onto the centre of the dome and a rotating set of brushes, suspended from wooden spokes, smeared the slurry around the circular structure. The heavy ore fragments would deposit near the central dome whereas unwanted rock fragments would travel further and end up in a pit around the outside.
Between the two species, some gorse is almost always in flower, hence the old country phrases: "when gorse is out of blossom, kissing's out of fashion" (which is recorded from the mid-19th century) and "when the furze is in bloom, my love's in tune" (which dates from the mid-18th century). Common gorse flowers are bright yellow. Western gorse flowers are very slightly more orange - more like the colour of the "yolk" in a Cadbury's creme egg. Also like creme eggs, gorse flowers are edible but are significantly better for use in salads and to make a tea, beer or wine.
Granite is pretty hard stuff. It ranks at 7 out of 10 on the Mohs hardness scale. It's harder than normal steel but not quite as hard as hardened steel (which is 7-8). Cutting on granite worktops is therefore not a good idea as knife blades become blunt quickly.
The dam is thought to be part of a stream working operation for tungsten.
Tungsten (also known as Wolfram) is a rare metal which occurs as mineral compounds such as Wolframite (an oxide with iron and manganese). Tungsten is the hardest of all metals and has the highest melting point, imparting these properties when a steel alloy is made containing tungsten. This made it in great demand for arms in the World Wars. It still has many different modern-day uses including cutting tools, electronics, turbine blades and rocket nozzles.
The gully has been formed by the streamworking. The embankments and eroded areas in the valley are thought to date from several different periods of working. Whilst the more recent working was for tungsten, it's likely that much earlier working would have been for tin.
The first method to extract tin was known as "tin streaming" which reached its peak in the 12th Century, though continued until the mid 20th Century.
Alluvial deposits occurred where a river had eroded the tiny crystals out of mineral veins. Due to tin being so heavy, the crystals had become concentrated on the bottom of the stream as the lighter rocks around them were washed away. Over time these deposits were buried in gravel and sand, and eventually soil.
Using quite elaborate banks and channels, the river was diverted to wash away the soil and gravel, leaving the heavy tin-rich rocks behind which could be dug out once the river was diverted away.
One side-effect of all this industry was that the topsoil, sand and gravel washed downriver caused the silting of many river estuaries and once-thriving mediaeval river ports literally dried up and were superseded by sea ports.
Once the relatively rich alluvial deposits had been used up, mostly by the 18th Century, mineral veins were instead mined directly.
Granite formed as a molten blob of rock beneath the surface, underneath millions of tons of other rock. As the granite cooled, it cracked, mostly vertically due to the pressure from above. Hot water circulated through the cracks, reacting chemically with the rocks and depositing minerals. Over millions of years, the softer rocks above were eroded and the pressure from the weight of the rock above was released, causing horizontal cracking in the granite. The result is cubic blocks where the rough edges have been gradually smoothed by weathering.
Dolmens, also known as quoits, are a type of megalithic tomb, usually consisting of three or more upright stones supporting a large flat horizontal capstone. These were usually covered with earth or smaller stones to form a barrow, though in many cases that covering has weathered away, leaving only the stone "skeleton" of the burial mound remaining.
Buttern Hill is the 10th highest in Cornwall at 346 metres. From the summit of the hill, you can see the peaks of Brown Willy on your left. Behind this, to the right, are the peaks of Roughtor, and Showery Tor on the far right.
The marsh on the left is the source of the River Fowey.
The name of the River Fowey is from Fowydh, based on the Cornish word for tree, gwydh, and more specifically beech, fawen.
The industrial building in the distance is Davidstow Creamery.
The large building with the tall chimney close to the A39 at Davidstow is the cheese factory, more formally known as Davidstow Creamery. Davidstow Creamery is famous for producing both Davidstow Cheddar (using water from Davidstow holy well) and the ironically named Cathedral City cheeses (Davidstow Moor having neither a cathedral nor anything resembling a city).
The earthworks and a small lake on the left are the remains of the Great Rough Tor Consols mine.
Great Rough Tor Consols was a tin mine with two shafts worked using a steam engine. A system of flat rods (horizontal wooden beams) were used to transport power from the engine over a distance of a quarter of a mile. The mine turned out not to be that productive and closed in the 1850s.
One of the reasons that little remains of the mine is that during the late 1850s, materials such as timber and stone were salvaged and sold off to reduce the losses. Recorded in the West Briton and Cornwall Advertiser. 21st August, 1857:
FATAL ACCIDENT - On the 11th instant, Mr. RICHARD PIKE, of Davidstow, was in the act of removing some of the timber from Great Roughtor Consols mine, when the sollar on which he was standing, gave way, and he was instantly precipitated into the shaft. His friends and some men from Bray Down Mine, have used every exertion to recover the body, but the shaft being nearly full of water, they have not yet succeeded. His father was quite close to him at the time of the accident, but could render no assistance.
Despite the salvage of materials, this didn't turn out to be a good investment for the venture capitalists (known at the time as "adventurers"). A solicitor's letter in 1860 to a Mr Bodenham states that he is instructed on behalf of the Adventurers to apply for arrears of calls, and that unless he pays within the week, proceedings will be taken. Attached was a letter on blue paper from W. Thomas, Purser (mine Accountant), asking for payment "being your proportion of the loss incurred in winding up the Great Rough Tor Consols Mine", and saying he will put the matter with his Solicitor.
There are 33 designated National Landscape regions in England many of which were created at the same time as the National Parks. In fact the AONB status is very similar to that of National Parks.
A single Cornwall Area of Outstanding Natural Beauty (AONB) was established in 1959 and is itself subdivided into 12 sections. 11 of these are stretches of the coastline and the 12th is Bodmin Moor. In 2023, the AONBs in England and Wales were renamed National Landscapes to better reflect the similarity in their status to National Parks.
The area of Bodmin Moor designated as an Outstanding Natural Beauty also has an International Dark Sky designation due to an exceptionally high quality night sky. Cornwall Council has committed to protect this as part of its Planning considerations.
Due to their flocking behaviour, sheep have gained a reputation for not being intelligent but actually this is more about being nervous of being eaten. In a study, their intelligence was found to be on a par with cows: they can recognise human faces, learn a name given to them etc. This may even extend to problem-solving: in Cornwall we've seen them escape into a neighbouring field by operating a kissing gate and in West Yorkshire there are reports of sheep that have worked out that they can cross a cattle grid by rolling on their backs with their feet in the air.
The streams here all feed the Penpont Water (which is technically the first of the two streams that you cross over on the way back). These join a little way downstream and the river passes through Altarnun before joining the River Inny at Two Bridges.
The River Inny is a tributary of the Tamar and is approximately 20 miles long, supporting populations of trout, salmon and sea trout as well as otters and kingfishers. The name of the river was recorded in the 1600s as Heanye and may be from the Cornish word enys - for island. Penpont Water is its main tributary and has a status of Area of Outstanding Natural Beauty, Area of Great Scientific Value and Area of Great Historical Value. The source of the Inny is very close to the Davidstow Cheese factory, from a spring in the field opposite Pendragon House.
Brown Willy is a tor on the north-west area of Bodmin Moor. The name "Brown Willy" is actually a distortion of the Cornish Bronn Wennili which means "hill of swallows". The summit of Brown Willy is the highest point in Cornwall, at 420m above sea level, but only 20m taller than Rough Tor.
Rough Tor is the second highest peak on Bodmin Moor. It is pronounced "row-tor" because the local dialect word "row" meant "rough". The summit of Rough Tor is encircled by a series of rough Neolithic stone walls which link natural outcrops, to form a tor enclosure. Also on the summit are the foundations of a mediaeval chapel, built into the side of one of the larger cairns.
Showery Tor is a natural structure quite similar to The Cheesewring at Minions. The tor is encircled by a massive ring cairn made of piled stone and is thought may have been a prehistoric religious site. It is the only natural formation known to have been framed in this way.
Also in one of the granite bounders on Showery Tor is a double row of drilled holes made by miners. These were used to celebrate midsummer by filling them with gunpowder, lighting a fuse connecting them and retiring to a safe distance.
Water pepper, as the name implies, grows on wet ground such as on the margins of lakes (it's also known as marsh pepper). It's relatively late to appear, not really getting going until June.
Another of water pepper's common names is "smartarse". As Emma Gunn points out in her foraging book "Never Mind the Burdocks", this is nothing to do with being clever: in the past, the dried leaves were added to bedding to drive away fleas etc. and the name comes from rolling over on a leaf in the wrong way.
Water pepper leaves can be used as a herb and has a lemony flavour similar to sorrel followed by heat which is a little like chilli. Its used in Japanese cuisine, particularly with fish. The young shoots are used to garnish sushi or sashimi.
The plant is unpalatable to livestock but is eaten by some insects which has given rise to a Japanese saying which transliterates to "Some insects eat water pepper and like it" but is used more like "There's no accounting for taste".
The Beast of Bodmin Moor is a phantom wild cat. Bodmin Moor became a centre of sightings of panther-like cats with occasional reports of mutilated slain livestock.
A resident population of big cats is exceedingly unlikely due to the large numbers necessary to maintain a breeding population, plus climate and food supply issues would make survival in this habitat unlikely. One hypothesis is that alien big cats could have been imported as part of private collections or zoos, and later escaped or been set free. In these circumstances it's likely an escaped big cat would not be reported to the authorities due to the illegality of owning and importing the animals.
The Ministry of Agriculture, Fisheries and Food conducted an official investigation in 1995 and found that there was "no verifiable evidence" of exotic felines loose in Britain, and that the mauled farm animals could have been attacked by common indigenous species. However it was noted "the investigation could not prove that a 'big cat' is not present."
The ponies on Bodmin Moor are semi-feral: they are all owned by farmers, but allowed to roam free on the moor. Many are not microchipped and look similar to others, so for people other than their owners, it can be difficult to tell to whom they actually belong. During the winter, natural food is scarce so the farmers supplement the ponies' diets; this prevents the ponies wandering off altogether.
Tors started out as a lump of granite beneath the surface, which cracked vertically into squares and then part-way through horizontally to form something resembling a stuck-together stack of square pancakes. Millions of years of weathering then gradually rounded these off and widened the cracks between the layers to result in a more burger-like appearance.
In some cases the horizontal cracks didn't go all the way through so the layers are still joined (the skewer through the brioche bun to stretch the burger analogy to its limit). In the cases where they did fully separate, a massive rocking stone such as the famous Logan Rock at Treen could be created, or the whole lot could collapse into a pile of huge rocks.
The "basins" on the tops of some of the tors are also the result of repeated freezing and thawing of water which has collected on the surface.
The word is from the Celtic language but is likely to have come from the Latin turris, meaning "tower", derived from a similar word in Ancient Greek.
Five hills in Cornwall are designated as Marilyn hills (coined to contrast with Munro - another geological term) which are local highest points, protruding above the surrounding land by at least 150 metres. They are: Brown Willy, Kit Hill, Watch Croft, Carnmenellis and Hensbarrow Beacon.
The little yellow flowers with four petals all over the moor in July are tormentil (Potentilla erecta). Its common names include Bloodroot and Flesh and Blood because roots yield a red dye which is still used as an ingredient for artists' colours (tormentil red). The roots also have very a high tannin content and have even been used to tan leather. Extracts from the plant have been widely used in folk medicine and is it still used as a remedy for diarrhoea and as a lotion for skin sores.
In mediaeval times, the Anglo-Saxon "stitch meal" technique was adopted in some parts of Cornwall. This involved dividing arable and meadow land into long strips called "stitches". Villagers would be allocated a (usually disconnected) set of strips so that the "best" fields were shared around as evenly as possible. The long, thin shape was ideal for ploughing with oxen. A typical stitch was one furlong in length and one acre in area, which could be ploughed by a team of oxen in a day.
A similar, but not identical, system of strip fields known as "burgage" plots was also used in mediaeval times but these were associated with a row of houses along a road in a settlement. The burgage plots were effectively very long, thin back gardens that also contained about an acre of cultivatable land.
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