Cape Town Entrance (Duncan Dock) Range Rear Lighthouse

Cape Town Entrance (Duncan Dock) Range Rear Lighthouse is a maritime navigation aid located in Swartland Local Municipality, ZA. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 104 meters above mean sea level. Under standard atmospheric conditions, the light is visible up to 26 nautical miles (approximately 48.2 km) from the observer.

Light characteristic: The identifying signal of this lighthouse is Fl (2) White 30s. This means the light produces 2 flashes every 30 seconds. Mariners use this distinctive pattern to positively identify the light and distinguish it from other aids to navigation in the area. The light color is white, which may indicate a specific sector or warning zone.

Visibility and range: With a focal height of 104 meters and a nominal range of 26 nautical miles, this light serves as a major coastal light visible from well offshore. Lights of this range are typically used as landfall lights by vessels approaching from the open sea, helping them make a safe approach to the coast.

Position: Cape Town Entrance (Duncan Dock) Range Rear Lighthouse is positioned at -33.4321°S, 18.0889°E, near Swartland Local Municipality in ZA. The blue circle on the map represents the nominal 26-nautical-mile range of the light.

Geographic context: Cape Town Entrance (Duncan Dock) Range Rear Lighthouse is situated on the South Atlantic Ocean, within the Cape of Good Hope route — the historic shipping route around the southern tip of Africa. The location falls within the subtropical climate zone with mild winters and warm summers.

Nearby lighthouses in ZA: Other lighthouses in the region include Anglo-American Building, Bird Islands, Cape Agulhas, Cape Columbine, Cape Hangklip. View all on the Lighthouses Directory.