Logbook
Field notes on Gelbe Welle moorings, water levels, waterway routes, and the work behind Dalbi. Written from Potsdam — short, specific, no marketing fluff.
Marinas & boat fuel stations
Data from OpenStreetMap, as of 2026-05-19: how many of the 1,102 water access points in Dalbi have gastronomy within 300 m. Broken down by federal state.
The Gelbe Welle explained
As of March 2026, 722 moorings in Germany carry the DTV's Gelbe Welle. Criteria, distribution by federal state, plus how to find them offline on the Dalbi map.
From the harbour office
Where the notes that won't fit into an app get written. What lands in the logbook, where the research comes from, and why every entry exists in both German and English.