Place & climate
- Study group: Piémont Pyrénéen is a geographical teaching group, not a single appellation or an official examination classification. These origins have separate production rules.
- Two locations: Jurançon occupies foothill slopes near Pau in Béarn. Irouléguy lies farther west in the French Basque Country around Saint-Jean-Pied-de-Port and Saint-Étienne-de-Baïgorry.
- Rain & drying winds: Atlantic rainfall and Pyrenean relief meet here. Warm southerly winds can help autumn ripening, but exposure and vintage weather prevent one uniform climate or style.