Brighstone Down is a chalk

Chalk

Chalk is a soft, white, porous sedimentary rock, a form of limestone composed of the mineral calcite. Calcite is calcium carbonate or CaCO3. It forms under reasonably deep marine conditions from the gradual accumulation of minute calcite plates shed from micro-organisms called coccolithophores....

 down

Downland

A downland is an area of open chalk hills. This term is especially used to describe the chalk countryside in southern England. Areas of downland are often referred to as Downs....

 on the Isle of Wight

Isle of Wight

The Isle of Wight is a county and the largest island of England, located in the English Channel, on average about 2–4 miles off the south coast of the county of Hampshire, separated from the mainland by a strait called the Solent...

. It is located close to the village of Brighstone

Brighstone

Brighstone is a village and civil parish on the Isle of Wight, 6 miles southwest of Newport on the B3399 road. Brighstone was previously known as "Brixton"...

, in the southwest of the island (the Back of the Wight

Back of the Wight

Back of the Wight is an area on the Isle of Wight, England that has a unique history and social background. Part of this stems from the fact that the area was and still is very cut off from the rest of the island and is made up of small villages strung out along the coast, such as Brighstone,...

), and rises to 214 metres at its highest point, northeast of the village of Mottistone

Mottistone

Mottistone is a village on the Isle of Wight, it is located in the popular tourist area the Back of the Wight. It is located 8 Miles southwest of Newport in the southwest of the island. It is home to the National Trust's Mottistone Manor.-History:...

.
Towards the west part is called Mottistone Down, to the East, Shorwell Down.

The Northern part is covered by Brighstone Forest

Brighstone Forest

Brighstone Forest is located in the southwest of the Isle of Wight. It is the largest forest on the Isle of Wight, being just a few hectares larger than Parkhurst Forest. It is spread over a number of hilly ridges which form the backbone of the Isle of Wight. From west to east the ridges are...

the largest forest on the Island.