Which mountain range marks the boundary between the North European Plain and the Iberian Plateau?
Q1. Which mountain range marks the boundary between the North European Plain and the Iberian Plateau?
Answer: Pyrenees
Explanation: The Pyrenees form a natural border approximately 491 km long between France and Spain (and Andorra), separating the Iberian Peninsula from the rest of continental Europe. The highest peak is Aneto at 3,404 m on the Spanish side.