Rock of Gibraltar Rock of Gibraltar The Rock of Gibraltar, also known as The Rock, is a monolithic limestone promontory located in the British overseas territory of Gibraltar, near the southwestern tip of Europe on the Iberian Peninsula. It is high. Most of the Rock's upper area is covered by a nature reserve, which is home to around 300 Barbary macaques. These macaques, as well as a labyrinthine network of tunnels, attract a large number of tourists each year. The Rock of Gibraltar was one of the two Pillars of Hercules and was known to the Romans as "Mons Calpe", the other pillar
Rock of Gibraltar time, dried up during the Messinian salinity crisis. The Atlantic Ocean then broke through the Strait of Gibraltar, and the resultant flooding created the Mediterranean Sea. The Rock forms part of the Betic Cordillera, a mountain range that dominates south-eastern Iberia. Today, the Rock of Gibraltar forms a peninsula jutting out into the Strait of Gibraltar from the southern coast of Spain. The promontory is linked to the continent by means of a sandy tombolo with a maximum elevation of . To the north, the Rock rises vertically from sea level up to at Rock Gun Battery. The Rock's highest