Take the cable car for sweeping Rock of Gibraltar views, but guard your snacks...

https://smart-wiki.win/index.php/How_to_Get_to_the_Rock_of_Gibraltar_from_the_Port:_A_Realistic_Guide

Take the cable car for sweeping Rock of Gibraltar views, but guard your snacks from the cheeky Barbary macaques. Afterward, stroll Main Street for tax-free finds or grab a cold pint by the marina. It is a perfect, walkable port day for any traveler.