The Cueva de los Franceses is named after the soldiers who died and were buried there during the Peninsular War in 1808.
The tufa waterfall is formed by the rapid precipitation of calcium carbonate from the springs, creating a porous limestone structure.
The park is situated on the southern slopes of the Cantabrian Mountains, acting as a transition zone between the Mediterranean and Atlantic climates.
The limestone plateau, or 'páramo', of La Lora contains one of the largest concentrations of dolines (sinkholes) in northern Spain.
The site hosts a specific type of 'tufa' ecosystem, which is considered a Priority Habitat under European Union conservation directives.
Espacio Natural de Covalagua is a protected natural area in the province of Palencia characterized by karst geological formations and high biodiversity. The site is anchored by the Cueva de los Franceses, a cave system renowned for its extensive stalactite, stalagmite, and flowstone deposits. A significant waterfall, the Cascada de Covalagua, flows over a tufa rock formation formed by calcium carbonate precipitation. The park contains a designated botanical trail showcasing unique flora adapted to the limestone substrate. Its location within the Páramos de La Lora region offers panoramic views of the surrounding mountainous landscape. The area serves as a habitat for diverse bird species, including raptors that nest in the rocky outcrops.
The wooden footbridge overlooking the Cascada de Covalagua provides the best vantage point for the waterfall.
Bring a light jacket, as the temperature inside the cave remains cool even during the peak of summer.
Wear hiking boots with good grip, as the terrain around the waterfall and limestone paths can be slippery.
Check the cave visitor status before arrival, as access to the interior is strictly limited to guided groups.
Attempting to enter the cave without a pre-booked guided tour; wandering off-path into the karst sinkhole zones.
The Cueva de los Franceses is typically closed on Mondays and Tuesdays during the off-season; it is recommended to verify guided tour availability ahead of time.
Do not touch cave formations as oils from skin inhibit growth; stay strictly on marked trails to protect the fragile tufa rocks.