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

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Chianti (Firenze–Siena) · Chianti Classico · San Gimignano · Montalcino (Brunello) · +9 more
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Terrain & satellite · every name tag opens a study card
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Toscana · Overview
Toscana. Chianti Classico, Brunello di Montalcino, Vino Nobile, Bolgheri and the Maremma.
Wine Maps — Toscana · MontalcinoSubscriber
Montalcino · Biondi-Santi
Producers on the map. Biondi-Santi at Montosoli — where Brunello was first bottled.
Wine Maps — Toscana · MontalcinoSubscriber
Brunello di Montalcino
Brunello di Montalcino DOCG. Geography, terroir, grapes and regulations on one card, with the producers mapped.
Wine Maps — Toscana · Chianti ClassicoSubscriber
Chianti Classico · Gaiole
Chianti Classico UGA. Gaiole — elevation, limestone, commune style, and its notable Super Tuscans.

From the encyclopedia — geography, climate & geology

Topography & Soil

Topography

  • 67% hills, 25% mountains, 8% plains
  • Great majority of vineyards on hills at 150–550m (500–1,800 ft)
  • Plains: small, alluvial, along coast or inland river valleys
  • Maremma: large historic-geographic area shared between Toscana and Lazio
    • Coastal territory from south of Livorno to province of Viterbo
    • Divided into Alta Maremma (northern Tuscan), Maremma Grossetana (southern Tuscan, often simply called "Maremma"), Maremma Laziale
    • Formerly marshland/malaria → drained first half of 20th century

Soil

  • Complex geologic history → soils diverse, may change considerably even within the same appellation
    • Mainly clay, limestone, sandstone
    • Crumbly nature of these materials → gentle rolling hills of central Toscana
  • Principally limestone & clay
  • Galestro: crumbly rock with clay and marl
    • Aromatic wines with aging potential
    • Particularly in Chianti Classico, Rùfina, Montalcino
    • Crumbly clayey, schist-like rock with sharp edges; tendency to flake (schistous)
  • Alberese: calcareous soils with clay
    • A fine-grained calcareous marl
    • In central and southern Toscana; particularly in Chianti Classico

★ MS 2024: "Differentiate galestro and albarese." → Galestro: stony/rocky clay. Albarese: white chalk/limestone.

  • Some sand, sandstone...

Rivers

  • Arno: largest and longest river; flows westward across Toscana → empties into Ligurian Sea
  • 6 rivers: Serchio, Arno, Cecina, Sieve, Ombrone, Fiora
    • Orcia river between Brunello & Montecucco
    • Ombrone and Orcia Rivers in southern part of region
      • Rivers surrounding Brunello: Asso (east), Orcia (south), Ombrone (west)
Read the full Toscana chapter

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