Hydrological Odyssey · 812 KM

From Alpine Glacier Vaults to the Mediterranean Delta

Follow the Rhône River's complete watershed descent across high Swiss gorges, terraced granite crus, and the ancient Roman marshlands of Provence.

2,253 m

Alpine Origin

812 km

Total Length

1,710 m³/s

Discharge at Sea

0 m

Sea Level

Topographical Stages & Watershed Profiles

Explore The Three Grand Terranes

2,253 m – 372 m Rhône Glacier ice cavern and surrounding snowcapped Swiss Alps peaks
Stage I · Valais & Lake Geneva Basin

Glacial Origins & Swiss Canyon Defiles

Emerging from the Furka Pass ice grotto, the high-altitude torrent cuts through the steep Valais fault line, collecting milky glacial moraines before decanting into the deep waters of Lake Geneva.

Gradient6.8 m/km
BedrockGranite Gneiss
Primary PassFurka (2,429m)
Explore Alpine Source
170 m – 50 m Terraced vineyards overlooking the Rhône river bend near Tain l'Hermitage
Stage II · Lyon & Northern Côtes Terraces

Silk Capitals & Vertical Granite Crus

Where the placid Saône joins the torrent at Lyon, ancient Roman trading hubs give way to extreme 60-degree dry-stone terraces of Côte-Rôtie and the sun-soaked curve of Hermitage Hill.

ConfluenceLyon Presqu'île
Soil ComplexMica-Schist
InclineUp to 60°
Explore Lyon & Côtes
20 m – 0 m Scenic view of the Mediterranean coastline and delta marshlands in southern France
Stage III · Papal Citadels & Camargue Delta

Avignon Citadels & Wild Saline Wetlands

Sweeping past Avignon and Arles, the river splits into Grand and Petit Rhône branches, nourishing Western Europe's largest delta reserve with brackish lagoons, flamingos, and salt flats.

Delta Basin750 km²
BranchesGrand & Petit
OutletGolfe du Lion
Explore Coastal Delta
Hydrographical Waypoints

The Continuous Descent Profile

KM 0 · 2,253 M

Furka Pass Glacier Vault

Meltwater bursts through crystalline granite moraines, gathering initial alpine velocity.

KM 168 · 372 M

Lake Geneva Purifier

A 310-meter deep settling basin filters heavy glacial silt into azure alpine waters.

KM 330 · 162 M

Lyon Confluence

The calm Saône doubles the Rhône's navigational width and volume heading southward.

KM 812 · 0 M

Camargue Marine Outlet

The freshwater current dissolves into the warm cobalt waters of the Mediterranean.