Chalk Group in the context of "Physiographic province"

Salisbury Plain is a chalk plateau in southern England covering 300 square miles (780 km). It is part of a system of chalk downlands throughout eastern and southern England formed by the rocks of the Chalk Group and largely lies within the county of Wiltshire, but stretches into Hampshire.

The plain is famous for its rich archaeology, including Stonehenge, one of England's best known landmarks. Large areas are given over to military training; thus, the sparsely populated plain is the biggest remaining area of calcareous grassland in northwest Europe. Additionally, the plain has arable land, and a few small areas of beech trees and coniferous woodland. Its highest point is Easton Hill.

Beachy Head is a chalk headland in East Sussex, England. It is situated close to Eastbourne, immediately east of the Seven Sisters.

Beachy Head is located within the administrative area of Eastbourne Borough Council which owns the land, forming part of the Eastbourne Downland Estate. The cliff is the highest chalk sea cliff in Britain, rising to 162 m (531 ft) above sea level. The peak allows views of the south east coast towards Dungeness in the east, and to the Isle of Wight in the west.

Calchfynydd (Welsh calch "lime" + mynydd "mountain") was an obscure Britonnic kingdom or sub-kingdom of sub-Roman Britain. Its exact location is uncertain, although the name suggests somewhere in one of Great Britain's Chalk Groups and might refer to southern Scotland, the Cotswolds, or the Chilterns. Virtually nothing else definitive is known about it.

The name survives in the epithet of Cadrawd Calchfynydd, apparently a 6th-century ruler of the district. Welsh sources refer to Cadrawd as one of the Gwyr y Gogledd or 'Men of the North', suggesting the area was located somewhere in northern Britain. William Forbes Skene suggested an identification with Kelso (formerly Calchow) in southern Scotland. Rachel Bromwich agrees that Kelso or a similar location in the Hen Ogledd is most likely, while noting that Kenneth Jackson doubted this identification. Alistair Moffat in his history of Kelso supports this position, citing early references to "Chalchou," as well as the chalk area and Chalkheugh Terrace. John Morris placed it south of the realm of Urien of Rheged, "between Trent and Thames". Based at least in part on the forgeries of Iolo Morganwg, the Rev. Thomas Barns located Calchfynydd around Dunstable, however sources predating Iolo's time, notably 18th century antiquarian Henry Rowlands' Mona Antiqua Restaurata and David Powel's sixteenth century History of Wales, mention a connection with Dunstable through "Cadrod Calchfynydd" being Earl of Dunstable (a very anachronistic title) in the post-Roman period. Robert Owen placed the kingdom among the Cotswolds.

50°46′N 0°10′E / 50.76°N 0.16°E / 50.76; 0.16The Seven Sisters are a series of chalk sea cliffs on the English Channel coast, and are a stretch of the sea-eroded section of the South Downs range of hills, in the county of East Sussex, in south-east England. The Seven Sisters cliffs run between the mouth of the River Cuckmere near Seaford, and the chalk headland of Beachy Head outside of Eastbourne. The dips or swales that separate each of the seven crests from the next are the remnants of dry valleys in the chalk South Downs which are being gradually eroded by the sea.

Some of the cliffs and adjacent countryside make up the Seven Sisters Country Park, which is bounded on its inland side by the A259 road, and is itself a part of the larger South Downs National Park.