The Hadnmauer is the protected ruin of a ''

letzi A ''Letzi'' (plural: ''Letzinen'', also known in German as a ''Talsperre'' in the sense of a fortification, not a dam) or ''Letzimauer'' refers to defensive barriers whose purpose is to protect the entrance into a valley. The term is Swiss, and ...

'' (defensive barrier across a valley) in the Gailtal valley in

Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...

, dating to the

Late Antiquity Late antiquity marks the period that comes after the end of classical antiquity and stretches into the onset of the Early Middle Ages. Late antiquity as a period was popularized by Peter Brown (historian), Peter Brown in 1971, and this periodiza ...

. It runs from Rattendorf to Jenig (both in the municipality of Hermagor). Its function was probably the security of Gurina and the area to the east of it. Originally 1.6 kilometres long, only 336 metres survive. On its western side, rooms for the defending personnel are discernible.

References

Letzi Ancient history of Austria Roman fortifications in Austria Roman fortifications in Noricum Castles in Carinthia {{Carinthia-geo-stub