Waterway signs
Waterway signs and sound signals in Germany, explained
Germany's inland waterway signs and sound signals explained: prohibition and information signs, the official WSV source, and offline in Dalbi.
Logbook
Notes from the water.
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
Marinas with restaurants: where to find gastronomy at German water access points
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.
5 min
Mooring stations
Mooring stations on the Havel: 85 stations from Berlin to Havelberg
85 mooring stations, marinas and canoe stations along the Havel — from the Oberhavel via Berlin and Potsdam to Havelberg. Dalbi shows them offline on the map.
13 min
Marinas & boat fuel stations
Boat fuel stations in Germany 2026: 139 stations offline
All 139 boat fuel stations in Germany on one map — Diesel, Super, HVO100. Dalbi shows each one offline, with state filter, fuel type, and opening hours.
14 min
The Gelbe Welle explained
Gelbe Welle mooring stations 2026: what the DTV quality mark means — and where the 722 stations are
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.
13 min
From the harbour office
Welcome to the logbook
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.
3 min