Künzing - Amphitheater und Vicus and Oberranna - Kleinkastell
Plan this ride
Recorded distance
127 km
Riding-time estimate
1 h 59
Journey
Recorded itinerary
Distance and timing basis
Ordered leg totals agree within rounding. Stop distances are approximate sums of rounded legs. Stops, delays, approach and any separate return travel add time. Basis: producer-declared routed record.
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Distance and riding time are measured on the routed road. Check local closures and conditions before you ride.
127 km from Künzing to Künzing, about 1 h 59 of riding. It goes by way of Passau Boiotro - Kastell, Oberranna - Kleinkastell and back through Passau Boiotro - Kastell. It crosses from Germany into Austria - carry ID and check vignette or toll rules.
Waypoint introductions and full write-ups
1. Künzing - Amphitheater und Vicus
Künzing sits on the Danube in Lower Bavaria, in a broad, fertile plain known as the Gäuboden, and in Roman times it was a place with a name, Quintana. The Romans built a fort here in the second century, one of the posts on the river frontier of the province of Raetia, and a civilian settlement, a vicus, grew up beside it, with houses, workshops and even an amphitheatre. The Danube Limes in Germany, Austria and Slovakia was listed by UNESCO in 2021, and Künzing is one of the places where it is easiest to grasp what daily life along the frontier was like.
May refer to an earlier itinerary; verify against your selected route before riding.
Planning note
Künzing - Amphitheater und Vicus is where the day begins. Next is Passau Boiotro - Kastell.
2. Passau Boiotro - Kastell
Passau stands at a meeting of three rivers, and the Romans noticed. The Inn, the Danube and the small, dark Ilz flow together under the cathedral hill, and the Inn bank opposite, where the Innstadt lies today, was the site of the Roman fort of Boiotro, which guarded the Danube frontier, the Limes, and commanded the river crossing. The name suggests the Boii, the Celtic people who once lived in this region, and the Roman fort stood in a long line of defences along the river, from here down to Oberranna in Austria.
May refer to an earlier itinerary; verify against your selected route before riding.
Planning note
Passau Boiotro - Kastell comes up about 33 km into the recorded legs. Next is Oberranna - Kleinkastell.
3. Oberranna - Kleinkastell
The Danube between Passau and Linz is one of the loveliest stretches of the whole river, and near Oberranna, on the Upper Austrian bank, it flows quietly between steep wooded slopes, dark and almost gorge-like. Here, beside the water, archaeologists found a small Roman fort, a Kleinkastell, part of the Danube Limes that guarded the northern frontier of the province of Noricum. Its remains are now protected under a modern shelter, and it forms part of the UNESCO listing of the Frontiers of the Roman Empire along the Danube.