Autel taurobolique de Tain-l'Hermitage, Roman altar in Tain-l'Hermitage, France

The Autel taurobolique de Tain-l'Hermitage is a rectangular block of pale beige limestone, now standing in the town centre on the Place du Taurobole rather than set into a chapel wall. Its front face is carved in low relief with a schematic bull's head, two upward-curving horns and short pendants below the jaw, framed by three lines of Latin text above and five below.

The altar was made in 184 AD to commemorate a bull sacrifice for the health of Emperor Commodus and the colony of Lugdunum. It was found again in the 1500s, used for a time in the wall of a small chapel, and later protected as a monument in 1840 after local people prevented its sale to foreign buyers.

The stone records a taurobolium, a rite in which a bull was sacrificed and a person stood beneath a wooden platform to receive the blood as a form of purification and rebirth. In the town today, two copies of this altar keep the memory of that ritual visible in daily life: one placed in the entrance hall of the mairie and another on the Place du Taurobole.

The altar now stands at ground level in the village centre, on the Place du Taurobole beside Avenue Jean Jaurès, not in the hilltop chapel where it was found. It is a short walk from the town centre, and the square is open and level, so it can be viewed without climbing the hill.

Local memory holds that an ermite once tried to sell the stone to English buyers, but the townspeople gathered and forced its return before it left the area. The altar also raises a quiet puzzle: no traces of a large temple or Roman settlement have been found around it, so some wonder whether the block was brought here from elsewhere, perhaps after a river accident or a long transport.