
At Spain’s green northwest edge, the Miño River draws a natural line between Galicia and Portugal. Along this border, five small towns—Tui, A Guarda, O Rosal, Tomiño, and Oia—offer a compact route through medieval stone, Atlantic air, vineyard valleys, and Camino waymarks.
Tui sits high above the river with the Cathedral of Santa María crowning its medieval quarter. The church’s fortress lines speak to a defensive past, while the lanes below preserve layers of history—including…