Caving at the Grotte de Coinans near Saint Claude
Caving in the Grotte de Coinans near Saint-Claude, in the Jura
Adventure caving in the Jura
Practical information – Grosdar Canyoning
Duration
Half a day
(±3 hours)
Day
(approx. 5½ hours)
Level
Athletic
Price
€64.00 per person
€89.00 per person
Minimum age
Ages 12 and over
Location
Lavans-lès-Saint-Claude, Jura, Franche-Comté
What to expect on your caving trip to the Grotte de Coinans
Discover caving in the Grotte de Coinans (or Grotte de l’Assassin) near Saint-Claude, in the heart of the Jura Mountains. This cave system stretches for just over 300 metres and features various chambers as well as vertical and underwater passages, making it an ideal spot for an adventurous caving trip in the Jura.
As you make your way through the cave, you’ll reach the various chambers and galleries by abseiling down small shafts. On the way back, you can also take a dip in a small underground lake.
On day trips, the adventure continues further into the cave. After passing through a narrow passage, you’ll need to cross a small underground stream to reach the spectacular ‘salle des gours’, an area covered in stalactites and stalagmites where the water has formed small natural limestone pools.
A caving expedition in the Jura
This caving trip is aimed at fit and active people looking to enjoy a comprehensive underground experience, including rope-assisted climbing, narrow passages and the exploration of subterranean landscapes in the Haut-Jura Regional Nature Park.
Book your caving trip to the Grotte de Coinans near Saint Claude
Book your caving trip to the Grotte de l’Assassin in Coinans now. Enjoy a fantastic half-day or full-day outing with family or friends, near Saint-Claude!
Caving at the Grotte de Coinans, near Saint Claude
A unique sporting experience in Franche-Comté, in the heart of the Jura.
Why choose caving at the Grotte de Coinans?
- Ages 12 and over.
- A variety of experiences and discoveries, from abseiling to underground landscapes.
- Cool temperatures even during the heatwave.
Safety, supervision and equipment
Caving trips to the Grotte de Coinans near Saint-Claude, in the Jura, are suitable for active participants aged 12 and over. This exploration of the underground world in Franche-Comté is available as a half-day or full-day trip.
The Grotte de l’Assassin is located in the immediate vicinity of Saint-Claude, Les Rousses, Lake Vouglans and Clairvaux-les-Lacs. The journey from Geneva, Lausanne, the Pays de Gex, Lyon or Dijon takes between 1½ and 2 hours by car.
What to bring
- Swimsuit (day use only),
- Sports shoes (trainers, hiking boots or wellies) – Available for hire,
- Water bottle,
- Snacks,
- Picnic (day trip only),
- A waterproof camera or a GoPro.
The price includes:
- Supervision by a state-qualified guide,
- Team and individual equipment,
- The guide’s third-party liability insurance.
Book a private event for a stag or hen party
If you’re organising a stag or hen party, our group packages allow you to book a private guide for the Grotte de Coinans.
Frequently Asked Questions – FAQ
Is the Coinans Cave suitable for children?
Yes, the Grotte de Coinans in the Jura is suitable for children aged 12 and over.
I’m not very sporty – can I still take part?
No, caving in the Grotte de Coinans is aimed at physically fit people. Of all our caving trips in the Jura, those to the Grotte de la Pontoise and the Grotte des Forges are the most accessible.
I’m very sporty – will I get bored?
No, the Grotte de l’Assassin in Coinans is very versatile and has something for everyone. To make the most of it, opt for the day trip. However, if you’re looking for a more challenging caving experience, you can visit the Gouffre du Haut Crêt.
How long should I allow for this?
Allow 3 hours for a half-day trip and 5½ hours for a full-day trip.
Where is the Coinans Cave?
The Grotte de Coinans is located in Lavans-Lès-Saint-Claude, in the Jura region, 40 minutes from Clairvaux-les-Lacs and the resort of Les Rousses. It takes about an hour’s drive from Geneva or the Pays de Gex.
Is abseiling compulsory?
Yes, to make your way to the back of the cave, you’ll need to abseil down.
I wear glasses – can I take part?
Of course! Make sure you bring a cord. Your guide will explain how to keep them from getting lost or damaged. Ideally, bring an old pair. Better still, wear contact lenses if you can.
What if the weather is bad?
The guide may change the itinerary. If the activity cannot go ahead, we will reschedule it for another day. If this is not possible, we will cancel it. In that case, you will receive a full refund.
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