Wheal Martyn

The Gover Stream (Cornish: Gover, meaning stream) is an approximately 3 kilometres (1.9 mi) long stream located in mid south Cornwall, England, United Kingdom. The source of the stream is at the north eastern side of Blackpool China clay pit at grid reference SW 980 540 . The stream flows south east through the Gover Valley into the town of St Austell where it joins the St Austell River or "White River". The Gover Stream is the first of the two largest tributaries of the St Austell River. Rivers in the area have problems with china clay waste materials, mostly kaolinite, entering the rivers and turning them white. This led to the locally named "White River". (Kaolinite is not a waste material of the quarrying process, but economically not all of the kaolin can be extracted). Suspended particles in the stream are reduced by approximately 98% by settling tanks at the beginning of the river. This reduces the energy of the water in the tanks and allows suspended particles to be deposited and later dredged by diggers. Several disused china clay dries are located along the stream showing its past industrial importance. There were also plans to extend the Pentewan railway along the valley from St Austell, but they did not come to fruition. Recently the Gover Valley has been under threat due to a plan to use the valley as a tipping site for china clay waste. Waste is a huge problem in the area as for every tonne of kaolinite produced there are on average nine tonnes of waste materials produced; this amounts to approximately 20 million tonnes of waste materials per year. An area of 1 square kilometre (250 acres) is planned to be tipped on which would destroy the upper section of the Gover Stream as well as ancient farmland and woodland. The tip will be landscaped once completed.

Greensplat is a location in south Cornwall, England, United Kingdom. It is immediately west of Carthew and is approximately two miles (3 km) north of St Austell. According to the Post Office the 2011 census population was included in the civil parish of Treverbyn. Greensplat is situated in the china clay area and the name is believed to be derived from Green's Plat, referring to a mine shaft nearby that was known as "the Plat". Greensplat is sometimes erroneously spelled Greensplatt.

Carluddon is a hamlet north of St Austell and southeast of Stenalees in Cornwall, England. It is in the civil parish of Treverbyn.

Treverbyn is a civil parish and village in mid-Cornwall, England, United Kingdom. The church of St Peter is modern as the medieval chapel was closed at the time of the Reformation. The parish was formed from part of St Austell parish in 1847. Treverbyn parish includes the villages of Treverbyn, Carclaze, Stenalees, Penwithick, Bugle (the largest of these), Rescorla, Kerrow Moor, Carthew, Ruddlemoor, Bowling Green, Resugga Green, Scredda and parts of Trethurgy. The parish population at the 2011 census including Carluddon, Greensplatt, Knightor, Lavrean and Lower Menadue was 8,016.Hensbarrow Beacon near Stenalees is the highest point of the St Austell Downs. There is a railway station at Bugle.

Menacuddle is a historic place, holy well and wooded area in St Austell, Cornwall, UK.The holy well was built in the 15th century and restored by Admiral Sir Charles John Graves-Sawle shortly after the First World War in memory of his son who was killed in action. It is a popular spot with ramblers. Its name is recorded as Menequidel in 1250 and Menedcudel in 1284 and comes from the Old Cornish mened and cuydel and it means hillside with a small wood. The name does not include a saint's name, and there was no St Guidel. The site has also been known as Pinni-menny.It is said that if a person drops a pin into the well and makes a wish, that wish will be granted. The woods have a reputation for being haunted, with sightings of a "huge black beast" there. The site is a monument scheduled under the Ancient Monuments and Archaeological Areas Act 1979, NHLE list number 1019163.

Scredda is a hamlet in the civil parish of Treverbyn in mid Cornwall, England, United Kingdom. It lies just north of St Austell.

Hensbarrow Beacon is a hill in Cornwall, England, United Kingdom. It is situated a mile north-west of Stenalees village at grid reference SW 996 575. It is the highest natural point of the Hensbarrow uplands, a natural region and national character area.The natural summit of Hensbarrow Beacon is 312m high and is marked by a trig point. The trig point sits atop a 5.4m tall round cairn that was later used as a beacon, it is a scheduled monument. It can be reached by a short walk from the road to the west. However, the summit is overtopped by several large spoil heaps from the nearby china clay workings, the highest of which rises to 355 m, therefore creating an 'artificial' summit 43 metres higher than the natural one. Geographically, the hill is also the highest point of the St Austell Downs, a large region of downland to the north-west of St Austell. The large degree of separation between it and Bodmin Moor to the north-east gives it enough relative height to make it a natural Marilyn, although the official Marilyn has been moved to the top of the highest spoil tip. (its parent is Brown Willy). The medieval Blackmoor Stannary was centred at Hensbarrow Beacon, with its records stored at the church in Luxulyan.

Hensbarrow is a natural region in the county of Cornwall, England, UK, that has been recognized as National Character Area 154 by Natural England. Hensbarrow is an upland region covering an area of just under 12,000 hectares immediately north of St Austell. It is bounded in the north by the A30 road and runs from Retew and Treviscoe in the west to Redmoor and Penpillick in the east. It is the remnant of a much larger exposed and windswept heather moorland. Its lower, more sheltered areas are covered by irregular livestock fields enclosed by Cornish hedges of stone walls, with scattered hamlets and farmsteads. China clay pits, sand tips and mica dams occupy much of the central area. Its highest point is Hensbarrow Beacon (1025 ft).

Trewoon (; Cornish: Trewoon) is a village in south Cornwall, England, United Kingdom. It is on the western outskirts of St Austell, on the A3058 road and is a linear settlement, with housing estates, a village hall, park and playing fields. The village has many amenities and local businesses: a garage (mechanical operations only), a post office, a Convenience store, hairdressers, "The White Pyramid" pub, and Trinity Methodist church. Trewoon is mentioned in the Domesday Book (as Tregoin: held by Hamelin from Robert, Count of Mortain) and is part of the St Mewan Parish and had its own manor known as Hembal Manor. China clay has played a big part in the village's history following its discovery by William Cookworthy.

Penwithick (Cornish: Pennwydhek) or Penwithick Stents is a village in Cornwall, England, United Kingdom. It is situated 2.5 miles (4.0 km) north of St Austell, in the civil parish of Treverbyn in the 'clay country' area of china clay quarrying. Whilst falling in a different civil parish Penwithick does have an electoral ward in its own name. The population of the ward at the census 2011 was 4,479Penwithick has a small local shop which also has a sub post office, a social club as well as a premises selling fish & chips. There are plans to build a new settlement Baal & West Carclaze south of the village as part of the St Austell and Clay Country Eco-town. This would include 1,800 to 2,500 homes. The plan was given outline approval in July 2009.

Carclaze is a suburb of the town of St Austell in mid-Cornwall, England, United Kingdom. The suburb forms part of the civil parish of Treverbyn and gives its name to the china clay works to the north.Carclaze mine produced tin and china clay for over 400 years. The tin ore is intermixed with shorl and quartz and is quarried rather than mined, with the whole rock crushed and washed to separate the tin. The mine was worked exclusively for tin until 1851 when china clay was also quarried. Following the collapse of the price of tin in the 1860s, Carclaze continued to produce china clay and in 1873 the circumference of the pit was over 1 mile (1.6 km), 150 feet (46 m) deep and covered about 12 acres (4.9 ha).

Carnsmerry is a hamlet in Cornwall, England. It is half a mile south-west of Bugle and lies at around 520 feet (160 m) above sea level. Carnsmerry is in the civil parish of Treverbyn.