Probably the religious building more ancient of Yearns. His construction is difficult to date back, but everything seems to indicate that it was at the end of the 14th century beginning of the XVth. With which it is probable that not only it is the first religious building of the people but the first public building where there would be celebrated the first meetings of the council of the primitive village, to treat topics of general interest.
The soil brick floor is a work of the 17th century, as it consists in a brick where it can be read the year 1.694. In the 18th century, a small chapel was constructed in the head-board, like apse. In the 80s of the 20th century it was restored. In his exterior in front of the door, it is possible to contemplate an extraordinary cross of granite.