Portugal
Portugal's highest range — glacial valleys, wild heath, and shepherd dogs the size of bears.
Snow clings to the granite plateaux in winter, while in summer the same peaks burn with purple heather and sheep bells carry across glacial valleys. Serra da Estrela smells of wild thyme and wet rock, and the massive shepherd dogs bred to face wolves move through the landscape like something from another century.
Mainland Portugal tops out here — Torre at 1,993 metres — above the country's only glacially carved terrain: the Zêzere valley runs thirteen U-shaped kilometres cut in the last ice age, with moraines and glacial lakes strewn across the high plateau. The natural park, protected since 1976, spreads over a thousand square kilometres best taken one valley at a time — snow, fire and abrupt weather close roads and paths alike, and the mountain always gets the last word. This is working shepherd country: the Cão da Serra da Estrela, one of Europe's oldest guardian breeds, still runs the summer grazing, and the ewes' winter milk becomes Queijo Serra da Estrela — a raw-milk cheese curdled with thistle flower by a small circle of licensed producers, widely held Portugal's finest.
Solo
Multi-day routes cross the glacial valleys and plateaux with minimal company — highland solitude of altitude, weather and space that mainland Portugal otherwise lacks, walked with a clear turnaround.
Couple
Mountain walking, shepherd culture and the country's finest cheese make an intimate escape — a stone village base, the glacial valley by day, queijo by firelight.
Family
Gentler valley trails suit younger walkers, the giant dogs fascinate children, and farm cheese-making turns a hike into an education — with snow underfoot at Torre when winter delivers.
Friends
From ridgeline scrambles to summer canyoning and winter snow, a group can base in one mountain town and fill a week without repeating a trail, turnarounds agreed before each day.
Queijo Serra da Estrela so creamy the top is cut off and the inside spooned out.
Requeijão drizzled with mountain honey — the shepherd's breakfast.

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