Sanctuary of Mars Mullo, Allonnes
About
This Gallo-Roman sanctuary on a hilltop above the Sarthe River served the healing god Mars Mullo, whose worshippers came specifically seeking relief from eye ailments. Starting around 80 CE, builders replaced an older Gallic shrine on the same spot with a monumental temple wrapped in colonnaded galleries, modeled on the grand sanctuary architecture then rising in Rome itself. Excavations recovered a large bronze cult-statue base and thousands of votive offerings spanning four centuries of continuous use, from the pre-Roman Gallic period into late antiquity. The sanctuary served the Aulerci Cenomani tribe as one of their principal religious centers until worship there finally ended in the early 4th century CE.
What happened here
A sanctuary is a precinct, not a building — an enclosed area with a boundary that matters legally. Inside it, rules apply: certain acts are forbidden, debtors and runaways may claim protection, and in some the birth or death of anyone is not permitted. Pilgrims arrive on foot, sometimes over days, and there is accommodation, water, and a market selling exactly what they need to offer. Priesthoods are local and hereditary or annual and political depending on the place. Treasuries hold the accumulated gifts of centuries, catalogued on stone. Festivals draw crowds from a whole region and bring games, contests and trade with them. Between festivals the place is quiet, staffed by a caretaker and visited by a trickle of travellers.
Sources
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