A Roman buttress dam complex in Navarra, Spain, consisting of two dams dating to the 2nd and 3rd-4th centuries AD respectively [1]. The structure featured a notably thin 0.9 m dam wall reinforced by buttresses, though this proved insufficient to prevent its eventual failure [2] [3].
Iturranduz Dam

Also known as: diga di Iturranduz, Iturranduz-Staudamm, Iturranduz-Staumauer, Iturranduz urtegia, presa de Iturranduz, presa romana de Iturranduz, Staudamm von Iturranduz, Staumauer Iturranduz
| Type | Reservoir/aqueduct/canal |
|---|---|
| Period | 1 - 500 AD |
| Country | Spain |
| Coordinates | 42.6088° N, 1.8955° W |
Spain