The olive groves changed color without warning — yellow edges, olives painted, the silvery-green of the leaves turning with the whims of a wind that is no longer the wind of August.

A complete guide to taking part in the olive harvest in Northern Portugal in 2026: calendar, itineraries, what to bring, and how to book.

September arrives in the Trás-os-Montes plateau with a quiet gesture. There is no thunderclap of announcement, no abrupt change in landscape — just a new quality of the light.