Low Water Levels Muddle River Cruises In Europe, Force Cancellations & Adjustments

A historic heat wave in Europe has river levels in many areas running too low for ships to pass.

A historic heat wave gripping central Europe has pushed river water levels to critically low points, forcing river cruise operators to cancel sailings, reroute itineraries, and deploy buses to shuttle passengers between ports that ships can no longer reach.

The Rhine, Danube, and Main rivers have all been affected, with some stretches recording their lowest water levels in decades. The situation has been particularly acute in Germany, where the Rhine near Kaub — a notorious bottleneck even in normal conditions — has become impassable for fully loaded vessels.

Viking River Cruises, AmaWaterways, Avalon Waterways, and Scenic have all issued statements acknowledging disruptions and outlining their contingency plans. The approaches vary: some lines are deploying smaller, shallower-draft vessels; others are offering land-based alternatives or partial refunds.

For passengers mid-cruise, the experience has ranged from mildly inconvenient to deeply disappointing. Several travelers contacted Travel Market Report to describe days spent on buses rather than boats, missing the river scenery that was the whole point of their vacation.