Gibraltar Arc Gibraltar Arc The Gibraltar Arc is a geological region corresponding to an arcuate orogen surrounding the Alboran Sea, between the Iberian Peninsula and Africa. It consists of the Betic Cordillera (south Spain), and the Rif (North Morocco). The Gibraltar Arc is located at the western end of the Mediterranean Alpine belt and formed during the Neogene due to convergence of the Eurasian and African plates. Maximum altitudes of the region are reached at the Mulhacén peak (3482 m) at the Cordillera Betica. Precipitation is collected mainly by the Guadalquivir (Betics) and Sebou (Rif) rivers, which have delivered most sedimentary infill
Gibraltar South Mole Lighthouse round, white tower, 56 feet in height. The Gibraltar "A" Head Lighthouse continues to be active and is utilised as an aid to navigation, in and near the harbour. Its light characteristic is a flashing white light, with one flash every two seconds, and the range is fifteen nautical miles. The operational lighthouse has a focal plane of 18 metres (60 feet). The lighthouse tower and the site are both closed to the public. The South Mole Lighthouse is operated by the Gibraltar Port Authority. The United Kingdom Hydrographic Office Admiralty number for the lighthouse, which originates from Volume D