The Southern Rhône: Climate, Grapes, and Winemaking Resources & Links

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Episode Overview

Hello, and welcome to the Wine Educate Podcast and YouTube channel. This is Episode 84, and I'm your host, Joanne Close.

In the last few episodes, we've been exploring the Rhône Valley — first the Northern Rhône, and now turning our attention to the Southern Rhône. While they share the Rhône River, the Mistral wind, and a few similar grape varieties, that's largely where the similarities end. The Southern Rhône is broader, warmer, and more diverse — in geography, grapes, and wine styles.

This episode covers the key distinctions between the Northern and Southern Rhône, the major grape varieties (led by Grenache), and the unique climate and soil conditions that shape the wines of this region.

Key Topics Covered

1. Revisiting the Northern Rhône The Northern Rhône is dominated by Syrah as its single red grape, supported by white varieties like Marsanne and Roussanne. The vines are planted on steep slopes overlooking the Rhône River and trained on individual stakes for wind protection from the fierce Mistral.

2. The Southern Rhône: An Overview The Southern Rhône is expansive, flatter, and produces significantly more wine than the north. The Mediterranean climate brings mild winters and warm, dry summers, but also drought risk. This is the French region most impacted by climate change challenges, and limited irrigation is permitted with approval.

3. Grape Varieties Grenache is the hero grape of the Southern Rhône, making up over half of the plantings. It thrives in heat, producing wines with generous red fruit, spice, and high alcohol. Grenache is trained as a bush vine (gobelet), kept low to the ground to protect from the Mistral.

Blending is essential to balance Grenache's alcohol and ripeness. The region's hallmark blends combine Grenache, Syrah, and Mourvèdre, often referred to as GSM blends. Supporting varieties include Carignan and Cinsault.

4. Soils and the Famous Galets One of the region's most distinctive features is its galets roulés — round river stones found in areas like Châteauneuf-du-Pape. These stones absorb heat during the day and radiate it at night, helping grapes ripen more evenly. Joanne shares a personal story about finding her own Châteauneuf-du-Pape stone — a fun reminder of this classic Rhône feature.

5. White and Rosé Wines While the region is best known for its reds, there are also notable rosés and white wines. Northern Rhône varieties like Marsanne, Roussanne, and Viognier continue southward, joined by Grenache Blanc, Clairette, and Bourboulenc. The best whites are richly textured, full-bodied, and high in alcohol, with subtle fruit aromas and minimal new oak influence.

6. Winemaking Practices There is no single Southern Rhône style — winemaking techniques vary widely. Fermentation can occur in stainless steel, concrete, or oak, and while new oak is occasionally used for premium wines, it's not the norm. Styles range from light and fruity to bold and meaty.

Importantly, two-thirds of Southern Rhône wines are made by cooperatives (co-ops), where growers pool resources and grapes to produce wines collectively.

What's Next

Next week's episode will explore Southern Rhône appellations in more detail — including key AOCs and what makes each distinct. Joanne also promises a Southern Rhône quiz, so listeners can test their knowledge.

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