Bayonne topographic maps

In the late Quaternary, the current topographic physiognomy was formed—i.e. a set of hills overlooking a swampy lowland. The promontory of Bassussarry–Marracq ultimately extended to the Labourdin foothills. The Grand Bayonne hill is an example. Similarly, on the right bank of the Nive, the heights of…

Average elevation: 23 m