Marble Caves or Cuevas de Mármol in Chile 2024-2025

This 6,000-year-old formation of marble caverns is washed with turquoise blue waters

Best time: September–February

Chilean Patagonia is home to the most beautiful caves found in the world, without exaggeration! The 6,000-year-old stunning cave network known as the Marble Caves or Cuevas de Mármol is located on the peninsula consisting entirely of marble and washed with the deep blue waters of the glacial Lake General Carrera on the border between Chile and Argentina.

The area is particularly beautiful in early spring during the ice melt, when water colour is enchantingly turquoise, and also in summer which boasts amazing deep blue hues. The site is accessible only by boat, but the spectacle is worth your efforts.

Practical info

When is the best time to visit Marble Caves in Chile?

To witness the enchanting turquoise-blue water, the best time to visit Chile's Marble Caves is between September and February when the ice has melted. Even during summer, the deep blue hues are still worth seeing. It is recommended to go early in the morning or late in the afternoon to avoid the crowds.

Where are the Marble Caves located in Chile and how to reach there?

Chile's Marble Caves are situated in Patagonia, near its border with Argentina, accessible only by boat. Tourists can access the caves from Puerto Tranquilo or Porto Sanchez on Lake General Carrera's shores. Travelers can reach these ports via car or bus from nearby Balmaceda or Coyhaique airports.

What makes the Marble Caves unique from other cave networks in the world?

Unlike other cave networks worldwide, Chile's Marble Caves are unique due to their stunning, current-carved marble formations. The caves' water colors shift from enchantingly turquoise-blue during spring to deep blue in summer, with the walls reflecting in the water to create a captivating visual effect. Its natural beauty has made it one of South America's most sought-after tourist destinations.

Do I need any special equipment to explore inside the Marble Caves?

No. Exploring Chile's Marble Caves does require any special equipment. However, visitors should be sure to have warm clothing and rain gear, particularly during winter as it can get pretty cold with the temperature sitting at around 10 degrees Celsius inside the caves. Life jackets will be provided, and the caves are accessible by small boats with a 10-passenger limit.

Are there any other attractions around the Marble Caves that are worth visiting?

Patagonia boasts a plethora of attractions aside from the Marble Caves well worth exploring, such as Chelenko Glacier, Patagonia National Park, and Exploradores Valley. Visitors can also try local cuisine at specific restaurants and hike in neighboring nature reserves while enjoying various outdoor activities like trekking and bird watching, making Patagonia ideal for all you adventure and nature lovers.