There's also the Cantabrian Mountains in the northwest, the Pyrenees along the border with France, the Central System that cuts directly across the middle, and the Baetic System that slices across the southeast.
You're aware of the fact that in those days your King Louis XIV thought an imperial gesture would suffice to humble the Pyrenees in the dust, so he inflicted his grandson, the Duke of Anjou, on the Spaniards.
For three months, she had to travel around the country on buses and trains waiting for the perfect opportunity to cross the Pyrenees Mountains undetected.
This odd situation all began back in 1659, where the island was the site of the signing of the Treaty of the Pyrenees which finally ended the Thirty Years' War.
While the French Revolution succeeded in conquering this territory into France, Napoleon came around and expanded France's borders to well be gone to the natural borders of the Pyrenees, the Rhine, and the Alps.
That small matter of the Pyrenees between Spain and France meant the two countries had to dig over 60km of tunnels - but the new interconnector doubled the amount of electricity they can exchange.
And while most of them made it over the Pyrenees Mountains, only three made it to the southern tip of Portugal, where a team from Austria managed to stay in the air longer than anyone else.