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Loire Valley — Wine Region Guide

Dajeong Lim M.D.
DipWSET · CMS Advanced Sommelier (Leslie Rudd Award 2024) · FWS · IWS · SWS
Wine educator of PDT Seoul · Editor of YourOwnWineEncyclopedia.com · Last reviewed June 2026

The Loire Valley maps from Your Own Wine Encyclopedia — every name tag opens a study card. Below, the chapter's own geography, climate and geology notes.

Maps on this page
3 screens from the interactive map
On the map
Pays Nantais · Anjou–Saumur · Touraine · Central Vineyards · +5 more
Interactive map
Terrain & satellite · every name tag opens a study card
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Wine Maps — Loire ValleySubscriber
Loire Valley · Overview
Loire, mouth to source. Muscadet and the Nantais through Anjou and Saumur to Touraine and the Centre-Loire.
Wine Maps — Loire · Sancerre · Soils modeSubscriber
Sancerre · Soils
Sancerre in three soils. Terres Blanches (Kimmeridgian) · Caillottes · Silex, each drawn separately.
Wine Maps — Loire · Côte des Monts DamnésSubscriber
Côte des Monts Damnés
A lieu-dit of Sancerre. One of Chavignol's three single vineyards — and the card that says why it matters.

From the encyclopedia — geography, climate & geology

Geography

  • Position: North of Bordeaux, south of Normandy, east of the Atlantic, west/southwest of Bourgogne
    • Warm Gulf Stream flows to the west of France, influencing climate
  • Loire River: Longest river in France (~1,000 km); springs at the base of Mont Gerbier de Jonc (Massif Central, Cévennes Mountains) → empties into the Bay of Biscay
    • Source specifics: Ardèche département, commune of Sainte-Eulalie, ~1,408 m elevation
  • Key tributaries: Allier, Vienne, Layon, Cher, Indre, Loir, Sèvre Nantaise — create favorable mesoclimates; warming influence on flanking vineyards

MS 2025: "The Allier, Vienne, and Layon are tributaries of which river?" → Loire River

Climate by Sub-region

  • Pays Nantais (Lower Loire): Maritime climate
  • Anjou, Saumur, Touraine (Middle Loire): Maritime with continental influences
  • Centre-Loire & Upper Loire: Continental climate

On the map