Locus perennis, Technical monument in Lišov, Czech Republic
Locus perennis is a benchmark monument in Liscov and ranks among the most important technical monuments of the Czech Republic. The structure consists of three stepped sections and was built as an elevation surveying point in the Austro-Hungarian Empire.
The monument was built in 1890 as part of a network of nine elevation survey points that the Austro-Hungarian Empire established in the Czech lands. It remains the only surviving example of this original surveying system from that era.
The name refers to its role as a lasting reference point, reflecting an era when surveying and mapping were fundamental state responsibilities. Visitors can see today the carved markings that show how precisely the old surveyors had to work.
The monument lies on a main route between České Budějovice and Třeboň and is easily accessible. There is a rest area for visitors, and several hiking trails begin nearby, making it a convenient stopping point for walkers.
The structure contains precise level markings that served as references for European-level measurements against the sea level of Trieste. These markings show a fascinating example of how historical surveys used international standards.
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