The Langkloof is a 160 km long valley in South Africa, lying between Herold, a small village north of George, and Humansdorp. The kloof was given its name by Isaq Schrijver in 1689, and more thoroughly explored by a later expedition under ensign August Frederik Beutler in 1752.
The valley has been farmed since 1760 and is an important fruit-growing region, specifically of apples.
Joubertina is the most important town of the Langkloof, and was founded in 1807 as a Dutch-Reformed community by the Rev. W.A. Joubert of Uniondale, who banned the sale of alcohol in the town, a ban which was never lifted but is now ignored.
The Langkloof is also home to early Bushman paintings and the Kouga mummy — the only mummy ever found in Southern Africa from a cave in the Baviaanskloof Wilderness Area. The remarkably well-preserved mummy, wrapped in Boophone disticha bulb tunics, appeared to be of the Khoi people, and was transferred to the Albany Museum in Grahamstown.