Cornwall’s high ground
Most people picture Cornwall as a coastline: cliffs, coves and harbors. Yet the county also has open, windswept uplands, and these have shaped its character as much as the sea has. Cornish moorland is not one single place but a scatter of upland areas, each rising out of the surrounding farmland and each built on the same kind of rock.
The largest and best known is Bodmin Moor in the east of the county. Others lie further west, including the high ground around Carnmenellis, the uplands near St Austell, and the exposed granite of the far west near Land’s End. Together they form a rough chain running down the spine of the peninsula. They are modest in height by the standards of mountain regions. The highest point in Cornwall, on Bodmin Moor, is generally given as a little over 400 meters. But with few trees, strong winds and long views, they feel more remote than their height suggests.
What makes a moor a moor
In general terms, a moor is open upland with thin, acidic, often waterlogged soil. Trees struggle in such conditions, especially where wind is strong, so the ground is covered mainly by grasses, sedges, heather, gorse and bracken. Many moorland soils are peaty or sit on a layer that holds water, so parts of the ground can be boggy even after a dry spell.
Two things set Cornish moors apart from the better-known upland areas of northern England and Scotland. First, they sit in a mild, oceanic climate, so winters are often wetter than they are cold, and snow is less usual. Second, they are small and surrounded by farmland and mining country, so the line between wild ground and worked ground is often thin.
The granite beneath
The moors exist because of granite. Much of Cornwall’s bedrock is softer, folded sedimentary rock, but a series of large masses of granite pushed up into it in the distant geological past, often dated to roughly 280 million years ago. Granite resists weathering better than the surrounding rock, so over time the softer material wore away and the granite stood higher. The result is a line of rounded hills and plateaus.
On top of many of them sit outcrops of weathered rock. These are the best-known features of the uplands, and the story of how they formed is covered in the separate article on granite tors. Granite also created much of Cornwall’s mineral wealth, since hot fluids associated with it deposited tin and copper in the surrounding rock. That link between geology and mining history is one reason the moors and the mining landscape are so close together on the map.
Plants and habitats
Moorland plants are specialists. Heather, gorse and bilberry-type shrubs form low cover, while cotton grass, rushes and sphagnum moss mark the wetter spots. Where the ground is a little richer or sheltered, bracken spreads quickly. Small streams and wet flushes support their own plants, and these are important for insects and for the birds that feed on them.
Heath is related to moor but not identical, and it is often found nearer the sea. The way coastal heathland differs from the upland version, and which wildflowers grow there, is covered in the article on heathland.
Animals on the moor
Hardy livestock, including cattle, sheep and ponies, have grazed these uplands for centuries, and they remain a familiar sight. Their feeding affects what grows, which is discussed in the article on moorland grazing. Wild animals use the open ground too. Skylarks and meadow pipits nest in the grass, buzzards and kestrels hunt overhead, and small mammals, reptiles and many insects live in the heather and rushes. Details of any given species change from year to year, so local nature reserves and conservation bodies are the best source for current information.
A landscape shaped by people
The moors are far from empty wilderness. Much of the upland was cleared and used long ago, and the evidence is still visible. Bronze Age and earlier communities left stone rows, cairns and the foundations of round houses, and some of the best-known prehistoric Cornwall sites lie on high ground. Standing stones and circles, such as the Hurlers stone circles on Bodmin Moor, show that people gathered on these hills for ritual or social reasons. Archaeologists still debate exactly what those reasons were, so any single explanation should be treated with caution.
Later, the moors supplied building stone and became a place for small-scale mining. Granite was cut for houses, walls and monuments, a practice that helped create granite cottages across the county. Old quarries, tin workings and abandoned buildings are scattered across the uplands, and some are hazardous, with hidden shafts and unstable edges. Anyone exploring should keep to paths and heed local warnings.
Weather and walking
Upland weather in Cornwall can change quickly. A clear morning may turn to low cloud, and strong winds are common on exposed tops. The details are explored in the article on moorland weather, but the main points are simple: carry a map, wear layers, and do not rely on a phone signal.
Boggy ground is another consideration. Paths that look firm can be soft underfoot, and some wet areas are deeper than they appear. Stay on established routes, keep away from mine workings and take dogs under control around grazing animals, especially during spring when young animals are present.
Why the moors matter
The moors are valued for several reasons at once: they hold habitats that are scarce elsewhere in the county, they preserve a long record of human activity, they provide grazing, and they offer open space for walkers and visitors. These aims sometimes pull in different directions, and local people, farmers, conservation groups and land managers continue to discuss the balance. A respectful visitor can help by leaving gates as found, avoiding disturbance to wildlife and carrying litter home.
Looking at the moors alongside the Cornish coast helps explain how varied one small county can be: within a short drive, an exposed granite plateau can give way to sheltered valleys, farmland and sea.