Slangkop Lighthouse. Kommetjie.
Cape Town has been operational since 4 March 1919, lit with a three mantle 55 mm petroleum vapour burner that produced 500 000 C.D.

This is the tallest cast iron tower on the South African Coast, 100 feet from base to its balcony. The lighthouse is equipped with a revolving electric light that emits four flashes very 30 seconds. Not all the flashes is visible with each revolution from any one point. It is one of 4 strongest lighthouses in Southern Africa with a range of 33 sea miles. The light has an approximate candlepower of 5 000 000 C.D. The lighthouse is a 33 meter circular cast iron tower, painted white. The focal plane of the light is 41 meters above high water which means it often remains visible below dense mist.

The lighthouse was established as the result of a commission appointed in 1906 by the Governor of the Cape of Good Hope, His Excellency, the Honorable Sir Francis Hely-Hutchinson, to enquire into proposals for the improvement of and additions to the safeguards against shipwrecks along the Southern Coast of the Colony.

The original light was replaced by a 4 kW electric incandescent lamp in 1936 which increased its power to 16 000 000 C.D. In 1974 the 4 kW light was replaced by a 1.5 kW lamp which reduced the light to approximately 5 000 000 C.D.

The Lighthouse became fully automated in 1979. From an original three-man station it has been manned by a Senior Light keeper only since this date.

The Slangkop lighthouse draws its power from the Cape Municipality and has a standby diesel alternator that takes over in the event of a break in the mains supply.