This small cave is located at 971 above sealevel and is situated north of Colomera on the hillside facing the rocky outcrops of Guerra (UTM 30S VG 435900 ‐4138100). It has a small triangle entrance at ground level. The cave is vertical and you can find another entrance in the roof of the cave. The lower entrance leads to a small flap. At the left is a large room about 15 meters in diameter, with ceilings up to 5 meters high..
The main attraction of the cavity lies in its history, linked to guerrilla (Ollafría who was active in the area during the 40s of XX century). The cavity was used as a hideout.