# Gouffre de la Pierre Saint-Martin

- **Country:** Spain
- **Depth:** 1410 m
- **Length:** 88111 m
- **Caption:** Gouffre de La Pierre Saint-Martin below the road.
- **Geology:** Limestone
- **Location:** Isaba
- **Discovery:** 1950
- **Elevation:** 1717 m
- **Entrance Count:** 14

The Gouffre de la Pierre Saint-Martin, also called Gouffre Lépineux , is the original entrance to a major cave system located in the massif of La Pierre Saint-Martin (massif de la Larra-Belagua to the Spaniards), in the immediate vicinity of the Franco-Spanish border and the French commune of Arette, in the Pyrénées-Atlantiques in the Nouvelle-Aquitaine region, under which lies part of the cave network.

![Photo of Gouffre de la Pierre Saint-Martin](https://upload.wikimedia.org/wikipedia/commons/2/20/Gouffre_de_la_Pierre_Saint-Martin.jpg)

**Source:** https://en.wikipedia.org/wiki/Gouffre_de_la_Pierre_Saint-Martin (Wikipedia, CC BY-SA)