Stenbury 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 town of Ventnor

Ventnor

Ventnor is a seaside resort and civil parish established in the Victorian era on the south coast of the Isle of Wight, England. It lies underneath St Boniface Down , and is built on steep slopes and cliffs leading down to the sea...

, in the southeast of the island, and rises to 226 metres at its highest point, west of Wroxall, Isle of Wight

Wroxall, Isle of Wight

Wroxall is a village and civil parish in the central south of the Isle of Wight.It is close to Appuldurcombe House. The parish church is St. John's Church, Wroxall....

.

There is an obelisk erected in 1774 by Sir Richard Worsley in memory of Sir Robert Worsley of Appuldurcombe House

Appuldurcombe House

Appuldurcombe House is the shell of a large 18th-century baroque country house of the Worsley family. The house is situated near to Wroxall on the Isle of Wight....

. The monument was struck by lightning in 1831 and partially demolished. In 1983 it was restored to its current state by General Sir Richard Worsley with assistance from the Isle of Wight Council and the people of Gatcombe Parish.

There are also two prominent radio masts. The northern end terminates in the Gat Cliff.