Geoportal SPS Praha
Waterway depths for scales 1:5 000 and 1:2 000 for selected sections of the Elbe: Střekov - Hřensko; Vltava: Hněvkovice - Kořensko; Baťa channel. Depths are updated at least once per year according to sailing conditions. Depth data is provided by Povodí Labe, s.p.
Display of observed inland waterways of the Czech republic and related navigation objects in accordance with Act No. 114/1995 Coll.