Cyril and Methodius Route – Cultural Route of the Council of Europe

Dub nad Moravou - Kojetín

Siphon in Uhřičice - Crossing of rivers

This interesting place, which few people know about, is located on the right bank of the Morava River in the village of Uhřičice near Kojetín. The Uhřičice Siphon is a unique technical device called a shybka. This remarkable water work is probably the only one of its kind in the Czech Republic and there is supposedly only one “competitor” in the whole of Europe. The siphon solves the crossing of the Valová River with the mill embankment. It is remarkable that in this case the larger and higher stream (Boleloucký Mill weir) flows under the bottom of the smaller and lower stream (Valová River). The siphon was built more than a hundred years ago, in 1908.

Why and how Siphon was built

The mill embankment was artificially built in the past and flowed out of the Morava River near Bolelouc. It powered several mills downstream and flowed back into the Morava below Lobodice. In 1583, the millrace was extended to supply water to the Kojetín mill. The crossing of the Valová River was solved by the builders of the time by bridging the Valová River with a wooden channel (the so-called vantrokes) 10.5 metres wide. In the 1880s the wooden channel was replaced by an iron one. However, a major drawback was that there was only a 1.3 m gap between the bottom of the Valová River and the riverbed, which was a problem in the event of a higher water flow.
For these reasons, a modification of the Valová River was proposed to prevent flooding even at high water levels. Therefore, the mill weir with the same flow rate was diverted through two concrete tunnels under the new Valová riverbed. The construction was carried out by the construction company Pittel Brausewetter, took more than a year and cost 50,000 crowns at the time.