Question

What mountain range makes the northern border of Spain

Answer 1

Explanation:

Cantabrian Mountains

The Cantabrian Mountains or Cantabrian Range (Spanish: Cordillera Cantábrica) are one of the main systems of mountain ranges in Spain. They stretch for over 300 km (180 miles) across northern Spain, from the western limit of the Pyrenees to the Galician Massif in Galicia, along the coast of the Cantabrian Sea.