Coordinates: 26°11′5″S 28°4′40″E / 26.18472°S 28.07778°E
Observatory Ridge is the highest point in Johannesburg, South Africa. It is 1,808 metres (5,932 ft) above sea level. It is based in the suburb of Observatory.
There is a large sandstone monument on top of the ridge that commemorates the British Indian Army. The monument bears the inscription: "To the memory of British Officers, Natives, NCOs and Men, Veterinary Assistants, Nalbands, and Followers of the Indian Army".