Geuest
Ebro — a river in Europe
All rivers & lakes
River

Ebro

Spain

The largest river by discharge wholly within Spain, ending in a broad delta on the Mediterranean.

Length

930 km

Source

Cantabrian Mountains

Mouth

Mediterranean Sea (Ebro Delta)

Continent

Europe

Countries

Spain

Did you know?

The name of the Iberian Peninsula itself may derive from the Ebro ('Iberus') river.

Little-known fact

Its delta is one of the most important wetlands in the western Mediterranean, alive with flamingos and rice paddies.

Highlights

  • Spain's greatest river by flow
  • May have given Iberia its name
  • Ends in a flamingo-rich delta

Life in the Ebro

The fish and animals, waterbirds and water plants — including some of the rarest — that this water supports.

Animals & fish

Wels catfish

Wels catfish

A monstrous European catfish that can top 2.5 m and has learned to beach itself to catch pigeons.

Eurasian otter

Eurasian otter

A sleek, playful hunter whose return to a river is a sign the water has run clean again.

Waterbirds

Grey heron

Grey heron

A patient, statue-still angler that stalks the shallows of rivers and lakes across the Old World.

Mallard

Mallard

The familiar green-headed dabbling duck — ancestor of most domestic ducks — found on waters worldwide.

Interactive · 3D journey

Journey of a river · source → sea

Every river runs the same great journey — from an icy mountain spring, down through gorges and looping meanders, to a wide delta where it meets the sea. Tap a stage to follow the water downstream.

Tip: hover to tilt the valley · tap a stage to float downstream

1Headwaters · the mountains

The Source

Every river begins high up — in a mountain spring, a melting glacier or a boggy upland. The water is cold, clear and fast, tumbling down the steepest ground of its whole journey.

Landforms here

Springsglaciersmountain streamswaterfalls