Europe’s Rivers Hit Record Lows: 17cm at Rhine, 99% of Hungary in Drought, €180bn at Stake
Europe is facing one of its most severe droughts in recorded history, with major rivers like the Rhine, Danube, and Loire dropping to unprecedented lows, crippling shipping, destroying crops, and forcing emergency water deliveries.
The Rhine River at the critical Kaub gauging station in Germany fell to 17 centimeters (6.7 inches) this month—the lowest reading since measurements began in 1880 [1]. The drop has halted cargo traffic on key stretches, disrupting supply chains for coal, chemicals, and grain, while ships that can still move must carry far lighter loads, making transport slower and more expensive [1]. In eastern France, 14% of filling stations in the Grand Est region are reporting empty pumps because tankers cannot carry full loads on the shallow river [4].
The economic toll is staggering. Economists at the Dutch bank Triodos estimate the heatwaves could wipe €180bn off the European Union’s GDP [5]. In the UK alone, the green thinktank Verdant said the heat had already cost the economy £4.4bn by the end of July [5]. Ongoing drought is drying up major rivers and destroying crops, leading to a sharp rise in transport costs and a surge in food prices [3]. French growers report vegetable production shortfalls of 25% for courgettes, 35% for lettuces, 40% for peas, 60% for broccoli, and between 50% and 100% for artichokes [6].
Hungary is among the hardest hit, with official data showing around 99% of the country under severe or extreme drought conditions [8]. The Danube River has exposed the legendary "Rock of Starvation" in Budapest—a boulder that for centuries warned of failing crops and hunger when it appeared [10]. The crisis has forced Hungary to shut down all but one of its Danube-cooled nuclear reactors, the first time in 44 years the country has had to take such a step [10]. Poland is also suffering, with 61% of its rivers currently in a low-water zone [9].
France has begun using tanker trucks to deliver drinking water to affected areas, a clear sign of the crisis’s severity [7]. Satellites have captured the devastation, showing scorched landscapes, shrinking glaciers, and even a long-submerged shipwreck resurfacing in a dried-up riverbed [8]. Experts warn that unless emissions are cut rapidly, such extreme conditions will become more frequent and severe [8].