Heptastadion causeway
E604378
The Heptastadion causeway was an ancient engineering structure in Alexandria that linked the mainland to Pharos Island, helping form the city’s famous twin harbors.
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
ancient causeway
ⓘ
engineering structure ⓘ |
| approximateLength |
about 1.2 kilometers
ⓘ
about 7 stadia ⓘ |
| associatedWith | Lighthouse of Alexandria NERFINISHED ⓘ |
| builtUnder | Ptolemaic dynasty NERFINISHED ⓘ |
| cityFeatureOf | ancient Alexandria NERFINISHED ⓘ |
| connectedTo |
Pharos Island
NERFINISHED
ⓘ
mainland Alexandria ⓘ |
| constructionPeriod | Hellenistic period ⓘ |
| country | Egypt ⓘ |
| currentVisibility | not clearly visible on the surface today ⓘ |
| designedFor |
cart traffic
ⓘ
pedestrian traffic ⓘ |
| function |
division of Alexandria’s harbor into two basins
ⓘ
harbor breakwater ⓘ transport link between mainland and Pharos Island ⓘ |
| helpedForm |
eastern harbor of Alexandria
NERFINISHED
ⓘ
twin harbors of Alexandria ⓘ western harbor of Alexandria NERFINISHED ⓘ |
| influenced | urban layout of Alexandria ⓘ |
| languageOfName | Ancient Greek ⓘ |
| locatedIn |
Alexandria
NERFINISHED
ⓘ
Ptolemaic Egypt NERFINISHED ⓘ |
| materialUsed |
rubble
ⓘ
stone fill ⓘ |
| mentionedBy |
Strabo
ⓘ
ancient geographers ⓘ |
| modernRemnant | area of modern Alexandria’s isthmus between city and former Pharos Island ⓘ |
| nameEtymology | derived from Greek for "seven stadia" ⓘ |
| partOf | harbor infrastructure of Alexandria ⓘ |
| relatedTo |
Eunostos harbor of Alexandria
NERFINISHED
ⓘ
Portus Magnus of Alexandria NERFINISHED ⓘ |
| significance |
important example of large-scale Hellenistic engineering
ⓘ
key element in Alexandria’s maritime infrastructure ⓘ |
| status | largely buried under later urban development ⓘ |
| studiedBy |
classical historians
ⓘ
marine archaeologists ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.