Harpea's Cave (from the Basque "the place under the rock"[1]) is a cave located in Estérençuby, in the Navarre commune, a few meters from the Franco-Spanish border.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/ba/Harpea_kobazuola.jpg/220px-Harpea_kobazuola.jpg)
It is an example of an anticline, a convex fold of strata, the centre of which is occupied by the oldest geological layers.
References
edit- ^ Les Pyrénéens au miroir de leur toponymie: Atlas toponymique pyrénéen, Robert Aymard, 1995, Snippet view.