Vallemi Caves are a series of caves located in and around the city of Vallemi in Paraguay, near Concepción. They are formed by limestone rock, the result of millions of years of accumulated marine sediments. These caves are a popular destination for ecotourism, with several formations accessible to tourists, including the well-known 14 de Julio cavern.
May to September: Cooler, drier weather—ideal for hiking and exploring the caves.
October to April: Warmer, more humid months with occasional rain, which may make cave paths slippery but enhances the lushness of the surrounding forest.
Vallemí is located in the Concepción Department, near the banks of the Paraguay River.
From Asunción, it’s about 8–9 hours by road via Concepción.
Access is typically by 4x4 vehicles once you get closer to the caves, especially during the rainy season.
Cueva del Indio: One of the most accessible caves; known for large chambers and striking stalactites and stalagmites.
Cueva Tres Cerros: Features narrow passages, fossil deposits, and interesting rock shapes.
Cueva Ita Guasú: Offers more technical exploration; great for experienced spelunkers.
These caves are part of a vast karst system—a rare geological formation in Paraguay.
Cave tours: Guided tours (with helmets and lamps) take visitors deep into the caverns to explore their geology and hidden beauty.
Hiking: Explore the forested hills around the caves.
Wildlife spotting: The region is home to bats, lizards, birds, and unique insects.
Photography: Dramatic cave interiors and natural light shafts create stunning photo ops.
Educational tours: Some tours explain the paleontological and archaeological significance of the area.
Lodging in Vallemí is limited but includes simple guesthouses and small hotels.
More options in Concepción, a larger town a few hours away.
Camping may be possible in some areas, but check for permissions.
Bring snacks, water, and essentials from town—there are few facilities near the caves.
In Vallemí, you’ll find small restaurants with local Paraguayan dishes like sopa paraguaya, milanesas, and grilled meats.