The caves were first explored and mapped in 1896 by French speleologist Édouard-Alfred Martel.
The interior lake, Martel Lake, measures approximately 117 meters long and 30 meters wide.
The cave name translates to 'Dragon Caves,' stemming from medieval legends claiming a dragon guarded the entrance.
The classical music concerts have been performed inside the caves since 1935.
The lighting system was designed by engineer Carles Buïgas, who also designed the Magic Fountain of Montjuïc in Barcelona.
The Drach Caves are a series of four interconnected caverns located in Porto Cristo on the island of Mallorca. The cave system extends 1,200 meters in length and reaches a maximum depth of 25 meters below ground level. Martel Lake, located within the system, is recognized as one of the largest underground lakes in the world. Visitors traverse the cave via a guided walkway and conclude the experience with a brief classical music concert performed on boats. The temperature inside the caves remains constant at approximately 21 degrees Celsius throughout the year. Humidity levels within the caverns consistently stay near 80 percent. The interior features significant geological formations including stalactites and stalagmites. The current tour route is approximately 1.2 kilometers long.
The viewing area overlooking Martel Lake provides the most expansive perspective of the water and surrounding rock formations.
Book tickets online in advance to secure a specific entry slot, as tickets sell out quickly.
Wear comfortable, rubber-soled shoes with good grip, as the internal paths can be slippery due to high humidity.
Arrive at least 20 minutes before your scheduled tour time to ensure smooth entry.
Do not attempt to touch the cave formations, as oils from human skin can permanently alter their growth and color.
Closed on December 25th and January 1st.
Photography is strictly prohibited during the classical music concert; flash photography is discouraged inside the caves at all times.