Mycenaean Fortifications and Defence

Some Mycenaean centres invested heavily in walls and gateways during the palatial centuries. Mycenae and Tiryns provide prominent examples, while Gla had a distinctive enclosure in the Copaïs basin. Pylos lacked a comparable circuit in its final palatial phase, showing that a palace and a fortified citadel were not the same institution.

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Masonry and natural ground

Walls conventionally called Cyclopean were built from large, roughly fitted limestone boulders, with smaller stones packed between them. Builders set the masonry on the bedrock and followed steep changes in the ground, combining the wall’s height with the natural obstacle below it. The blocks’ outer faces could be roughly dressed, while gateways used more carefully cut stone to form their openings and supports.

The name Cyclopean comes from later traditions that attributed enormous walls to the one-eyed giants called Cyclopes. It describes the masonry’s scale, not the ancient builders’ own name for the technique. Moving and fitting such boulders required organized material handling, while the chosen line of a wall determined which buildings and approaches it protected.

Gates and approaches

At Mycenae, the Lion Gate controlled a principal entrance, while a smaller northern gate offered another point of access. Tiryns used ramps and successive entrances to lead people toward the upper palatial area. These arrangements channelled movement in everyday conditions and could restrict it during danger.

Gla differed in having four major gateways around its large enclosure. Its unusual building plan and position within the drained basin also distinguish it from the more familiar Argive citadels. Its functions must therefore be interpreted in relation to that regional setting.

Enlargement and water access

The fortifications at Mycenae and Tiryns developed through several building programmes in the later palatial period. In their final extensions, passages led from inside the defended space toward underground water sources below the hilltops. The sources lay outside the main circuits, so the passages provided access without enclosing a much larger area. During an attack, this arrangement reduced the need for inhabitants to leave the protected approach in order to obtain water.

At Tiryns, the enlarged Lower Citadel contained houses and working habitation. Its enclosure protected occupied space as well as the upper palace. Some corbelled chambers within the wall thickness supplied storage or positions overlooking approaches; their forms and openings help distinguish those uses. The larger east and south galleries contained chambers reached from vaulted corridors, adding covered accommodation within the fortifications.

Protecting a working landscape

The Copaïs drainage works connected earthworks and channels with the availability of farmland. Gla’s enclosure stood within that engineered landscape. Protection there involved resources and infrastructure rather than a known border line between named states.

The Tiryns dam performed another kind of protection. It diverted destructive floodwaters away from the town through a new channel. Although massive construction was involved, its purpose differed from resisting attackers.

Defence and historical change

The successive enlargements changed what the circuits defended: additional habitation, storage and access to water joined the earlier monumental core. Around 1200 BCE, palatial administrations ended amid destruction and regional change, but their masonry did not disappear with the accounts. Surviving walls and gateways could continue to shape settlement and movement at centres whose political organization had changed.

For the wider setting, see Mycenaean History and Society.