Holywell Bay unsurprisingly gets its name from a holy well, but there are 2 rival holy wells contending for this! The first is in the valley at Trevornick (near the 18th hole of Holywell Golf Course). The second, and more likely the original, is a freshwater spring in a sea cave at the north end of the beach. In Cornish, the name is Porth Elyn, meaning "cove of the clear stream" which could either be a reference to the spring in the cave, or simply the stream running across the beach which runs some distance over the sand dunes before reaching the beach.
The pair of rocks off Penhale Point at Holywell Bay are owned by the National Trust and are known either as Carter's or Gull Rocks. It has been reported that some locals refer to them as "Fishtail Rocks", which nicely describes their shape.
At low tide, if you walk to the north end of Holywell beach (along Kelsey Head), you can find a sea cave containing a freshwater spring. Calcium carbonate dissolved in the springwater has created a spectacular series of natural basins fed by the well. The source of the calcium carbonate was originally thought to be the fragments of shell in the sand dunes as there are few sedimentary rocks in this part of Cornwall. However, there are thin bands of limestone in this particular area and current thinking is that the source may be one of these, but it is not known for certain.
If the tide is fully out, you may wish to visit the holy well in the cave further along the beach at this point of the walk before following the path into the dunes.
The holy well in the cave on Holywell beach was documented in Victorian times by Polwhele in the "History of Cornwall":
In this parish ( St Cuthbert ) is that famous and well-known spring of water, called Holy Well, so named, the inhabitants say, for that the virtues of this water were first discovered on All Hallow's Day. The same stands in a dark cavern of the sea cliff rocks, beneath full sea-mark on spring tides. The virtues of the waters are, if taken inward, a notable vomit, or as a purgent. If applied outward, it presently strikes in, or dries up, all itch, scurf, dandriff, and such-like distempers in men or women. Numbers of persons in summer season frequent this place and waters from countries far distant. It is a petrifying well.
The shipwreck visible at low tide on Holywell beach is generally thought to be the remains of the SS. Francia, a 700 ton steam-powered Argentinean coaster. It was wrecked in 1917 shortly after setting out from Newquay with a cargo of coal. However, some reports state that the Francia sank 4 miles offshore, so exactly what happened is a bit of a mystery.
If there are sheep in the field and you have a dog, make sure it's securely on its lead (sheep are prone to panic and injuring themselves even if a dog is just being inquisitive). If the sheep start bleating, this means they are scared and they are liable to panic.
If there are pregnant sheep in the field, be particularly sensitive as a scare can cause a miscarriage. If there are sheep in the field with lambs, avoid approaching them closely, making loud noises or walking between a lamb and its mother, as you may provoke the mother to defend her young.
Sheep may look cute but if provoked they can cause serious injury (hence the verb "to ram"). Generally, the best plan is to walk quietly along the hedges and they will move away or ignore you.
Look out for Fulmars which nest along the cliff faces. You'll often see them soaring over the tops of the cliffs as they circle in to land.
The fulmar is a grey and white bird related to an Albatross although it can be mistaken at a distance for a gull. Close up, the beak is the giveaway: the fulmar has a tube on its beak which is visible as a black bar across the beak at a distance. The tube is a gland for excreting salt from the seawater that they drink. As a defence mechanism, the fulmar regurgitates foul smelling oil from its stomach - the name comes from the Old Norse for "foul" (full) and "gull" (mar). The oil disrupts the waterproofing of predatory birds' feathers in a similar way to a crude-oil spill, so they avoid preying on fulmars.
Also on the offchance that you see any black birds with red legs...
After several decades of extinction, a pair of choughs settled in 2001 on the Lizard Peninsula. Since then, the birds have successfully bred and been joined by a few more incoming birds, and the population has steadily grown and spread further across Cornwall. Each Cornish chough is fitted with one leg ring in the colours of St Piran's flag and two other colours on the opposite leg to identify them.
Although the principal populations are around Lands End and The Lizard, choughs are now becoming more common on the north coast around the Newquay beaches.
If you think you've seen a chough, take a photo if possible and email choughs@cbwps.org.uk to report the sighting. This will help the "Chough Watch" team keep track of the growing population.
At the end of Kelsey Head, between Holywell Bay and Porth Joke, is an L-shaped bank which is thought to be the remains of a hill fort from the Iron Age. It's possible that it was abandoned before it was completed as the ramparts are much more developed at one end than the other.
Seals are easily disturbed by the presence of humans (and dogs) and this is can be the difference between life and death for seals in several different ways. Perhaps the most obvious is that a panicking seal is liable to injure itself rushing for the water. When breeding, even mild disturbance can lead to mothers abandoning their pups which then starve to death. More subtly, disturbance also causes seals to burn up their precious energy reserves. Even in a "good" year, 75% of young seals can end up dying due to insufficient energy reserves (95% in a very bad year!). If a seal looks at you, this should ring alarm bells as it means you're too close. To watch seals responsibly, it's important to keep your distance (at least 100m), avoid being conspicuous (e.g. on the skyline) and minimise noise.
The Cornwall Seal Group Research Trust gather information about the numbers of seals in each location to study migration behaviour. Each seal has a unique pattern of spots which is like a fingerprint, allowing individuals to be identified so photos are also very useful.
If you see one or more seals, take a photo if possible but never approach the seals to take a photo - use a zoom from a clifftop. Send the location, date, number of seals and photos if you have them to sightings@cornwallsealgroup.co.uk.
The sandy cove known both as Porth Joke and Polly Joke belongs to the National Trust and is completely uncommercialised except for the occasional cow wandering on the beach. The confusion about the name arises because it was originally known as Pol Lejouack (the old Cornish words for "Jackdaw Cove") and sounds a bit like "Polly Joke". Porth (beach or port) and Pol (cove or harbour) were used fairly interchangeably, which possibly gave rise to the two competing names.
The beach is backed by sand dunes so there is a beach at all states of the tide, but significantly larger when the tide goes out as the top of the cove is quite narrow.
The domestic radish has been cultivated from one of the subspecies of wild radish - a member of the cabbage family. Another of its subspecies is found on the coast and appropriately known as sea radish.
Sea radish is a biennial plant (2 year lifecycle) and during its first year it creates a rosette of leaves that are dormant over the winter. These are quite noticeable during January and February when there is not much other vegetation. The leaves are dull grey-green, slightly furry and each leaf consists of pairs of fairly long thin leaflets along the length of the stem plus a final bigger one at the end. Alexanders grows in similar places at similar times but its leaves are glossy green and each leaf is made up of 3 leaflets.
By the late spring, sea radish is a reasonably tall plant, recognisable by its yellow flowers that have 4 narrow petals. The flowers go on to form tapering seed pods later in the year with 2 or 3 large seeds in each pod with a spike at the end.
The plant is edible and probably at its best in the autumn and winter when the leaf rosettes are present. The leaves have a mild cabbage flavour but the leaf stems and ribs taste like a milder version of radish.
Recreational camping was first popularised in the UK on the river Thames as an offshoot of the Victorian craze for pleasure boating. Early camping equipment was very heavy and so transporting it by boat was pretty much essential. By the 1880s it had become a pastime for large numbers of visitors.
The yellow water iris (also known as yellow flag) is a native plant but can become invasive and have a negative effect on biodiversity due to its ability to out-compete many other water plants. It is thought by some to be the original plant on which the "fleur-de-lis" heraldic symbol is based.
If heavy metals are present in the soil, the plant is quite effective at absorbing these. This together with its aptitude for growing in pools of shallow water makes it potentially useful for detoxifying mine drainage.
In marshes, micro-organisms thrive in the wet mud and use up the supply of oxygen. To survive being partially buried in mud with low oxygen levels, many marsh plants have therefore evolved snorkels: air channels in the stem which allow oxygen to reach the base of the plant. This is why the leaves of reeds feel spongy.
Kestrels can often be seen on the dunes of Cubert Common.
The size of the kestrel population is very dependent on the vole population. The mortality of young kestrels is high. Around 60-70% don't survive their first year and the main cause of this is starvation.
Grasshoppers and crickets look fairly similar. The main visual difference is that crickets tend to have long antennae and grasshoppers have shorter ones. However, only grasshoppers are active during the day so these are ones you are likely to encounter when walking.
Most of the major dunes on the North Cornish coastline are thought to have formed from around 5,000 years ago when sea levels finally stopped rising after the glacial ice from the last Ice Age had finished melting.
The word "tee" is from the Scottish Gaelic word taigh meaning "house" and is related to the coloured circles known as a house in the sport of curling. Teeing off was originally done within a circle of one gold club length from the hole. A mound of sand would be placed somewhere within this circle and the ball rested on top. In 1892, an Englishman patented a rubber-topped wooden peg which was sold as the "Perfectum". In 1899 an American dentist designed "an improved golf tee" consisting of a wooden cone containing a rubber sleeve to hold the ball but this didn't seem to catch on. Peg-based tees were adopted widely by the 1920s.
It is thought that the holy well in the valley was built in the 15th Century to commemorate St Cubertus. By the end of the 19th Century it had become dilapidated and it was restored in 1936 by the Newquay Old Cornwall society using the original stones.
To reach the holy well from the blue sign for the golf course in the dunes, follow the path along the fence of the golf course, then take the path to the right.
Before Christianity, the Pagan Celtic people of Cornwall worshipped wonders of the natural world. Where clean, drinkable water welled up from the ground in a spring, this was seen as pretty awesome. The sites were seen as portals to another world, and is why fairies are often associated with springs. Where the springwater dissolved minerals, for specific conditions (e.g. deficiency in a mineral) or where the minerals present had antibacterial/fungal properties, the water appeared to have healing powers.
One of the plants that grows in the dunes is Sea Holly
Sea holly has a number of adaptations to survive in arid sand dunes. Its waxy leaves minimise water loss, the pale colour reflects sunlight and the root system can extend downwards for two metres to find less salty water. In dry conditions, the level of chlorophyll is reduced and so the bluer the plant becomes.
Since water drains away quickly through the sand, marram grass has evolved a number of strategies to capture and retain water including its waxy, curled leaves which contain hairs inside to minimise evaporation caused by moving air. Its roots form a fibrous mat which traps water but also plays a vital role in stabilising the dunes by stopping the sand blowing away. During the 17th Century, large amounts of marram grass were harvested for thatch and this destabilised the dunes so much that farms, estates and even entire villages were buried.
The sand dunes provide a good habitat for adders, which bask in the sun in warm weather.
On warm days from late April, you may be lucky enough to witness the "dance of the adders" (a pair of adders wrestling). This was once thought to be a mating display, but is actually a larger male attempting to drive away a smaller one.
The sandy soil along the coast is able to support plants more commonly seen on chalk downs such as cowslips, due to the sand being comprised of small fragments of shell (calcium carbonate). The majority of the soil in North Cornwall is acidic, particularly towards Bodmin Moor, so sand from the beaches was used extensively to improve the soil fertility for farming.
Several beaches in Cornwall have a large rockpool known locally as the "Horse Pool": at Trebarwith Strand it's the large pool ahead of the entrance onto the beach and at Holywell Bay it's in front of the cave just before the Holy Well cave. Treyarnon and Porthcothan also have pools known by this name. The name stems from when working horses were given a wash off and cool down on hot days. In the case of Trebarwith Strand, many of the horses were involved in hauling slate from nearby quarries or sand from the beach.
Tamarisks, also known as salt cedars, are able to withstand drought, soil salinity, and salt-water spray and therefore thrive in mild coastal areas such as the Cornish coastline. Their ability to accumulate salt and then excrete this through glands in their leaves prevents less salt-tolerant plants from growing around their base.
Rabbits were originally from the Iberian peninsula and were brought to Britain by the Normans and kept in captivity as a source of meat and fur. Although grass is their principal natural food, rabbits are able to survive on virtually any vegetable matter and with relatively few predators, those that escaped multiplied into a sizeable wild population.
During mediaeval times, rabbit was decreed by Pope Gregory I as "not meat" so it could be eaten during Lent. This accelerated the spread of rabbits through European monasteries in the middle ages. In fact, there are no barriers in the world's major religions to eating rabbit which is also considered both halal and kosher. From Elizabethan times, rabbit farming became common practice in Britain and it was not until the 1950s (when rabbits were associated with myxomatosis) that its popularity as a food declined sharply.
Rabbits have a number of wild predators including foxes, polecats and stoats. Buzzards and weasels will also take young ones. Domestic cats are also capable of tackling a full-grown rabbit. Rabbits have evolved to be able to detect predators early and then run very fast. The location of their eyes on the sides of the their head gives them almost 360 degree vision and they can also can turn their ears 180 degrees to pinpoint the location of a sound.
If a rabbit is placed on its back and its legs are stroked, it appears to go into a relaxed trance and many owners of pet rabbits thought this was a cute thing to do that was enjoyable for the rabbit. It's now understood that this reaction, known as "tonic immobility", occurs when the rabbit is extremely stressed because it thinks it is about to be eaten by a predator! It is effectively a "playing dead" reaction to lull a predator into a false sense of security so the rabbit can make a sudden escape when the predator isn't paying attention.
Due to their warm fur, rabbits are able to feed all year round, switching to woody foods such as bark and twigs when green vegetation isn't available. They don't hibernate and the reason they aren't seen as often in the winter is just that they are most active at dawn and dusk when people tend not to be out walking.
Rabbit teeth continue to grow throughout their lives as an evolutionary adaptation to eating grass which contains abrasive silica. Consequently pet rabbits fed a diet with insufficient hay often get problems with overgrown teeth. However, cut grass from a mower should not be fed to rabbits as it ferments more quickly than fresh grass (impact and heat from the blades causes bruising and wilting which releases the carbohydrates) which results in bloated bunnies.
The first record of slang word "bunny" being applied to rabbits is from the late 17th Century. Prior to this it was in use as a term of endearment, recorded in a 1606 love letter as "my honey, my bunny...". The origin of this pet name is thought to be a dialect word "bun" which was a general term for small furry creatures which did include rabbits but also applied to squirrels. The use of the word "rabbit" for chattering is from the Cockney rhyming slang for "talk" (rabbit and pork).
Since rabbits' unfussy diet includes pretty much anything grown by farmers, in the 1950s, the disease myxomatosis was deliberately spread in the UK to curb rabbit numbers. Over 99% were wiped-out and they almost became extinct. The few survivors that were genetically more resistant to the disease multiplied and so the survival rate has now increased to around 35%. Escaped pet rabbits inoculated with a live virus have the potential to transfer the vaccine into the wild population which may further increase resistance. Consequently the peak rabbit population gradually recovered to around half the size of the UK human population.
By 2013, rabbit hemorrhagic disease virus type 2 (RHDV2) had crossed to the UK from continental Europe and began spreading through the wild population. By 2018, nearly half the UK rabbit population had disappeared. In their native region on the Iberian peninsula, rabbits are now an endangered species and there is concern that the UK population decline will continue. Whilst a high density of rabbits can be a pest to farmers, in many areas the rabbit population has already fallen well below the level where this is significant.
The close grazing from rabbits in wilderness environments is valuable for biodiversity, allowing rare wildflowers to compete with grass and insect species to thrive. The crash in the rabbit population due to myxomatosis is thought to have been a contributing factor to the large blue butterfly going extinct in Britain in the 1970s. The recent decline from RHDV2 is therefore worrying conservationists. Consequently, some landowners are now giving rabbits a helping hand by creating "rabbit hotels" - areas of brushwood above warrens that provide extra cover and safety for rabbits.
Thrift is a tough evergreen plant which grows on sea cliffs and consequently it's the county flower of the Scilly Isles. To survive in this environment it needs to be able to withstand drought and salt-laden winds. Its long, thin leaves and hairy flower stems have evolved to minimise water loss.
The name "thrift" has been suggested to arise from the plant's tufted leaves being economical with water in the windy locations where it is found. It's common all along the Cornish coast and in April-June produces pale pink flowers, hence its other common name: "Sea Pink". The plant grows in dense circular mats which together with its covering of pink flowers gives rise to another less common name: "Ladies' Cushions".
Thrift is tolerant of metals such as lead and particularly copper in soil so it is able to colonise coastal mine tips. It has been suggested that the heavy metal tolerance may be partly down to not transporting much dissolved metal up the shoot of the plant (since thrift grows in a desiccating salty environment, there is less water to transport it than in many other plants). However thrift also has mechanisms to sequester metals and excrete them through its roots and leaves.
Thrift is known as a "hyperaccumulator" of copper: it can concentrate copper by over 1000 times more than other neighbouring plants. This makes it potentially useful to clean up contaminated land but this be done over many years. In principle it's even possible to mine for minerals by concentrating them in plants and then extracting them (known as "phytomining"). It's currently far from economical to do so for copper but for rarer high-value metals it may become economical, possibly in conjunction with chemical soil additives to increase bio-availability.
There is a sandy beach in the middle section of Holywell Bay at all states of the tide which can be accessed at several points along its length from the dunes. The area of beach to the left of the stream gets cut off when the tide comes in. On the far right-hand side of the beach, the holy well is in a cave that can only be reached at the lowest point of the tide and this area of the beach also gets cut off as the tide comes in.
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