The Tumular Complex of Quintana de Toranzo, located at the foot of the aforementioned Mount Tejas and immersed in the Pas Valley, is made up of four known structures and was discovered in 1986 by members of the Department of Historical Sciences of the University of Cantabria .
The Quintana II
Burial mound composed of sandstone and microconglomerate stones. Its plan is circular, although it is true that it is deformed since much of its stone has been reused for a nearby wall. Its plan measures about 20.5 meters in diameter on its North / South axis and 19 meters on its East / West axis. His current height is around 1.30 meters.