A castle in the Municipality of Corinth.
- MunicipalityCorinth
- TypeRuins
- 7.2 km south-east of Corinth
straight-line distances
The idea was both simple and enormous: if the Isthmus is the only narrow way into the Peloponnese, then sealing it seals the entire peninsula. That is exactly what the Hexamilion Wall set out to do.
The history
It was built in the early 5th century AD, under Theodosius II, running across the Isthmus from the Corinthian Gulf to the Saronic — some 7.5 kilometres of wall with towers at regular intervals and a strong fortress near Isthmia. Its name comes from its length, six miles.
The wall was repaired many times in the Byzantine period and rebuilt in the late Middle Ages as threats from the north returned. For all its bulk it was never enough: history went around it more than once.
What you will see
Substantial stretches survive, with the best-preserved part being the fortress beside Isthmia, where towers, gates and the sheer thickness of the masonry are clearly visible.
Practical notes
- The most accessible section is next to the archaeological site of Isthmia.
- See it together with the Sanctuary of Poseidon and the museum.
Where it is
Explore nearby
Weather & best time to visit
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Things to do there — The Hexamilion Wall
Optional tours, tickets and activities for your days here — you choose what suits you.
Activities, experiences and local guides — book ahead and skip the queues.
See options →A guided day with transport from Athens to Ancient Corinth and Nafplio, with free cancellation. Also: Corinth Canal & wine tasting, Ancient Corinth half-day
See options →Compare prices from all the major rental companies, with free cancellation on most offers. Also: Loutraki, Nafplio, Argos
See options →Activities are provided and sold by our partners. You complete the booking on their own page, at exactly the same price.
Before you arrive
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