Grotte de Lombrives: A Journey Through Time and Earth
Explore Europe's largest cave, a mesmerizing journey through history, mythology, and geological wonders in the heart of the French Pyrenees.
The Grotte de Lombrives, located in Ornolac-Ussat-les-Bains, is a sprawling cave system that extends over 39 kilometers across seven levels, making it one of the largest in Europe. The cave's history is as layered as its geological formations. Archaeological excavations have revealed evidence of human occupation dating back to the Neolithic period, with the cave serving as a shelter for Magdalenians and a burial site during the Bronze Age. Throughout the centuries, Lombrives has been a sanctuary and a stage for historical events. During the 12th and 14th centuries, Cathars sought refuge in its depths, and later, it became a hideout for Huguenots. Legends whisper of hidden treasures, including the Holy Grail, concealed within its chambers after the fall of Montségur. The cave's significance is further enriched by the legend of Princess Pyrene, whose tomb, according to Greek mythology, lies within the cave and marks the origin of the Pyrenees. A visit to Lombrives is a multi-sensory experience. The cave's vast chambers, adorned with stalactites, stalagmites, rimstone pools, and calcite crystals, create a mesmerizing landscape. The 'Cathedral Chamber,' is so large that it could house the Notre-Dame Cathedral in Paris. In more recent times, the Grotte de Lombrives hosted the 'Deep Time' scientific expedition in March 2021, during which 15 volunteers spent 40 days in the cave without clocks, daylight, or external communication, to study the effects on human behavior and perception of time. Visitors can explore the cave through guided tours that range from 1 to 5 hours. These tours lead visitors through the 'Passage of Crime,' the 'Grand Amphitheater,' and past the 'Tomb of Pyrene,' each with its own story and geological significance.
Local tips
- Wear sturdy walking shoes and warm clothing, as the cave temperature averages around 10°C (50°F) and the terrain can be uneven and slippery.
- Consider taking the mini-train to the cave entrance, especially if you have mobility issues, as the walk is a steep 1.4 km.
- Book your tour online in advance, especially during peak season, to ensure availability and your preferred language.
- Be prepared for a moderate level of physical activity, as the tour involves walking, climbing stairs, and navigating natural, sometimes challenging, terrain.
- Check the official website for special events, such as Halloween shows and New Year's Eve concerts, which offer a unique experience within the cave.
A brief summary to Lombrives
- Ussat, FR
Getting There
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Driving
From Tarascon-sur-Ariège, drive south on the RN20 towards Ussat-les-Bains. The Grotte de Lombrives is located just off the RN20. Follow the signs to the cave's ticket office. Parking is available along the roadside. Be aware that parking can be limited, especially during peak season. From the parking area, a pedestrian walkway leads to the ticket office. There are some parking spots along Route Nationale. Cost: Free
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Public Transport
Take a train to Ussat-les-Bains train station. From the station, walk along the D618 towards the RN20. Cross the RN20 at the pedestrian crossing and follow the signs to the Grotte de Lombrives ticket office. The ticket office is located behind the old thermal baths. Cost: Train fares vary depending on the origin and distance. Check the SNCF Connect website for schedules and prices.
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Walking
From the Grotte de Lombrives ticket office, you have two options to reach the cave entrance: walk 1.4 km along a steep path (approximately 20 minutes), or take the mini-train. The mini-train costs €2 per person for the uphill ride; the descent is free. Whether you walk or take the train, there is a final 200-meter steep climb to the cave entrance.
