Ancient Roman Mithras Temple Discovered in Bavaria, Germany

Archaeologists working in a sanctuary in Bavaria, Germany, have uncovered a rare collection of ritual objects that shed light on the early Roman cult of Mithras, a deity of Persian origin who was adapted into Roman religious practices.

The finds include fragments of ceramic vessels decorated with snake-shaped motifs, incense burners, handled jugs, and shrine fittings. Researchers say these items are closely associated with Mithraic rituals, which often involved ceremonial meals and shared drinking.

A worn votive stone was also recovered. Although its inscription has been erased by time, its form and context suggest it was dedicated as part of a religious practice. Fragments of votive plaques, similar to those found at Mithras sanctuaries across the Roman world, further support the interpretation of the site as a Mithraeum.

Coins help date the sanctuary

Coins uncovered during the excavation played a crucial role in determining the site’s age. Based on this evidence, researchers date the sanctuary to between about 80 and 171 A.D. The period corresponds to the Roman cohort fort at Kumpfmühl and the nearby Danube settlement.

The dating shows that the sanctuary was in use before the construction of the later legionary camp at Regensburg. Researchers say this pushes back the timeline for organized religious activity in the area and suggests an early Roman military presence with established cult practices.

Analysis confirms a Mithraic sanctuary

The significance of the discoveries became clear only after all material was compiled and reviewed. The reassessment was carried out by Stefan Reuter, who concluded that the remains belonged to a temple dedicated to Mithras.

Archaeologists in Regensburg have identified the oldest known sanctuary of the Roman god Mithras in Bavaria. Ritual objects and coins date it to the late 1st–early 2nd century AD, offering rare insight into early Roman religious life along the Danube. pic.twitter.com/O8TpqkSKlt

— Tom Marvolo Riddle (@tom_riddle2025) February 6, 2026

Little of the structure itself survived. Researchers say the building was likely made of wood, which explains the absence of standing walls. Instead, the identification relied on the combination of ritual objects, shrine fittings, and spatial layout.

Excavation in a confined urban setting

The site lies along Stahlzwingerweg, where new residential buildings were planned. Archaeological work was required before construction could proceed in Regensburg’s historic old town. The excavation was carried out by ArchäoTeam GmbH under the direction of Sabine Watzlawik.

Work progressed in stages between spring and autumn 2023. The narrow excavation area and surrounding buildings limited access, forcing archaeologists to uncover the site in sections. Early findings appeared routine, with layers from prehistory, the Roman period, and the Middle Ages.

Oldest Mithraic shrine in Bavaria

Experts say the Regensburg Mithraeum stands out for its age and location. According to Maximilian Ontrup of the Regensburg City Museums, the site is the first Roman-era sanctuary ever identified within Regensburg’s old town. It is also the earliest of nine Mithraic shrines discovered so far in Bavaria.

The cult of Mithras reached its height later, toward the end of the second century A.D. It remained influential for several generations before declining in the fourth and early fifth centuries, as Christianity spread across the Roman Empire.

Find reshapes the understanding of Roman Regensburg

Researchers say the discovery ranks among the most important finds linked to Roman Regensburg in the past decade. The sanctuary offers new insight into the early development of the Danube settlement, which remains under-researched.

The importance of the site extends beyond the city. The temple and its associated objects provide rare evidence of Mithraic rituals, a subject that remains poorly documented due to the cult’s secretive nature.

Evaluation and museum plans are underway

Because of the site’s significance, the City of Regensburg and the Bavarian State Office for the Preservation of Monuments have jointly funded an evaluation project that is still ongoing.

All recovered objects will be transferred by SDI GmbH & Co. KG to the Regensburg City Museums. Museum director Sebastian Karnatz says the finds may appear modest at first glance, but careful interpretation will bring them to life.

Once displayed, the Mithraeum material is expected to add a crucial new dimension to public understanding of Roman Regensburg and its religious landscape.