1.Andalucia is home to over 7,000 known caves, making it one of the most cave-rich regions in the world.
2.Many of these caves were inhabited by humans during prehistoric times, with evidence of cave paintings and other artifacts dating back thousands of years.
3.The longest known cave system in Andalucia is the Sistema de la Cueva del Agua, which stretches for over 9.5 miles (15.3 km) underground.
4.The karst landscape of Andalucia, characterized by limestone formations, is ideal for the formation of caves.
5.Some caves in Andalucia are home to unique species of subterranean animals, such as the eyeless cave fish.
6.The Cueva de la Pileta, located in the Serrania de Ronda, is famous for its prehistoric cave paintings, some of which are estimated to be over 25,000 years old.
7.The Cueva del Gato, also located in the Serrania de Ronda, is a popular spot for swimming and cliff jumping.
8.Caves in Andalucia were often used by smugglers to hide their contraband during the 18th and 19th centuries.
9.Some caves in Andalucia are accessible only by boat, such as the Cueva del Moro in the Natural Park of Cabo de Gata.
10.Caving, or spelunking, is a popular activity in Andalucia, with many tour companies offering guided expeditions for enthusiasts of all skill levels.