Signal Hill (Cape Town)
Signal Hill as seen from the north side of Lion's Head. The white-and-green building on the ridge is a kramat (Muslim grave).
|Elevation||350 m (1,150 ft)|
|Location||Western Cape, South Africa|
|Age of rock||Late Precambrian|
|Easiest route||Signal Hill Rd|
The hill was also known as "The Lion's Flank", a term now obsolete. Together with Lion's Head, Signal Hill looks like a lion sphinx.
Signal flags were used to communicate weather warnings as well as anchoring instructions to visiting ships in order to ensure that they prepared adequately for stormy weather while in the bay. Similarly, ships could use flags to signal for assistance if, for example, an anchor line parted during a storm.
It is known for the Noon Gun that is operated there by the South African Navy and South African Astronomical Observatory. In 1836, a time ball was set up at the Cape Town observatory, however it was not visible to ships in the harbour, so a second time ball was erected on Signal Hill in order to relay the precise moment of 1pm Cape Mean Time. In this way ships in the bay were able to check their marine chronometers. The daily practice of dropping of the ball continued until 1934, when it was made redundant by radio signals.
The guns on Signal Hill were used to notify the public when a ship was in trouble and there was a possibility of casualties on the coast near Cape Town. Three guns would be fired from Chavonnes Battery, followed by a single gun in answer from Imhoff Battery.
There is a road to the summit and that vantage point provides spectacular views over the Cape Town city centre and Atlantic Seaboard and surroundings, especially at dawn or sunset. Along Signal Hill Road one can also find the Appleton Scout Campsite operated by Scouts South Africa.
There are several tombs, or kramats, on the hill for Muslim missionaries and religious leaders. The most conspicuous one, a white square building with a green dome, is for the sheikh Mohamed Hassen Ghaibie (Shah al-Qadri), a follower of Sheikh Yusuf. Other tombs consist of raised rectangles, decorated with satin. They are still visited by some local Muslim.
Signal Hill is one of the only places in the world where critically endangered Peninsula Shale Renosterveld vegetation can be found. Peninsula Shale Renosterveld used to be the dominant ecosystem of the Cape Town City Bowl, but was completely endemic, occurring nowhere else in the world.
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- sein = ‘sign, beacon, flag’; heuwel = ‘hill’.
Blok, Dirk Peter (1966). Proceedings of the Eighth International Congress of Onomastic Sciences. Mouton. p. 338.
- Cape Town Magazine - Shooting in Cape Town with The Noon Gun
- William Henry Rosser; James Frederick Imray (1867). The Seaman's Guide to the Navigation of the Indian Ocean and China Sea. J. Imray & Son. pp. 275–276. Retrieved 2008-10-04.
- Henry Colin Gray Matthew, Brian Howard Harrison, British Academy (2004). Oxford Dictionary of National Biography. Oxford University Press. p. 780. ISBN 0-19-861411-X. Retrieved 2008-10-04.
- Monthly Notes of the Astronomical Society of Southern Africa. Astronomical Society of Southern Africa. 1996. p. 109. Retrieved 2008-10-04.
- "Appleton Scout Campsite website".
- "Peninsula Shale Renosterveld. Cape Town Biodiversity Factsheets" (PDF).