What if, for once, the children led the visit, headlamp on their forehead? At the Grotte de la Forestière, in Orgnac-l’Aven, you explore the underground world entirely on your own, at your own pace, with no guide and no crowd. It is one of the most fun family outings in Ardeche, just 20 minutes from Mas Saint Antoine. After ten years advising our guests, here is our complete guide: what you discover, why children love it, and all the practical tips for a great visit.
What is the Grotte de la Forestière?
The Grotte de la Forestière is a show cave on the Orgnac plateau, at the gateway to the Ardeche Gorges. Its distinctive feature: you visit it freely, with a headlamp, following a signposted and secured route, without artificial lighting. Shallow and easy to access, it stands out for its rare formations — coral-shaped crystallisations, warm tones, and even tree roots running through the rock, a phenomenon found nowhere else in Europe.

Why is the Grotte de la Forestière ideal with children?
It is probably the most child-friendly cave in the whole area. Here is why.
You explore yourself, headlamp on
No guide reciting, no group to follow: everyone moves at their own pace, with the provided headlamp on. Children love this sense of adventure and independence — it is often the moment they finally set aside their curiosity (and sometimes their screen!) to explore for themselves.
A shallow, secured cave
The route has steps and railings, and the cave stays shallow: the visit is accessible to young and old, from the earliest age. Many information panels line the way, to learn while having fun.
No booking, no time limit
You arrive when you like and stay as long as you wish: ideal with children, whose pace is never quite predictable. No time pressure, no queue: simply freedom.
Games as well as the cave
The icing on the cake: the entrance ticket usually includes a play area, a mini-golf and a pedal-kart track. Enough to extend the outing and keep children busy for a good part of the day. A treasure hunt, the “Mystery Expedition”, is even designed for 6-14 year-olds.
How to reach the Grotte de la Forestière from Mas Saint Antoine?
The cave is at the Col de la Forestière, in Orgnac-l’Aven, about 20 minutes’ drive from Mas Saint Antoine. It is a perfect outing for a half-day with the family.
| From | Approx. driving time |
|---|---|
| Mas Saint Antoine (Bourg-Saint-Andeol) | 20 min |
| Vallon-Pont-d’Arc | ≈ 15 min |
| Aven d’Orgnac | ≈ 5 min |
Practical information: hours, prices, gear
The Grotte de la Forestière can be visited without booking, and the headlamp is provided at the entrance. A few tips for a comfortable visit.
| Criterion | Detail |
|---|---|
| Booking | Not required |
| Gear | Headlamp provided; closed shoes advised |
| Temperature | Cool and constant underground (bring a light layer) |
| Indicative price | Free for toddlers, reduced for children (games included) |
As exact prices and opening periods change from season to season, it is safest to check them on the cave’s official website before setting off. Good to know: even in high summer, it is cool underground — a light jumper is welcome.
What to do around the Grotte de la Forestière?
The Orgnac plateau is a real playground for families.
- The Aven d’Orgnac, a Grand Site de France, and its Prehistory Centre, a few minutes away: spectacular underground halls and workshops for children.
- The Baume de Ronze, reached on foot across the plateau, for a nature walk.
- The Ardeche Gorges and the Pont d’Arc, close by, for swimming and canoeing.
To plan your family outings, browse The Mas Magazine, and settle into one of our 6 cottages as a base.
When to visit the Grotte de la Forestière?
The cave offers a precious advantage: underground, the temperature is cool and constant all year. It is therefore the ideal outing on very hot days, when you are looking for a little coolness, as well as on rainy days, when you want a sheltered activity. In autumn, the Orgnac plateau is especially quiet and bright — and it is also when Mas Saint Antoine is happily booked exclusively for groups and large families.
Why stay at Mas Saint Antoine as a family?
- ✅ 20 minutes from the Grotte de la Forestière and the great Orgnac sites.
- ✅ 6 independent cottages, on 2 hectares of enclosed, secured, wooded grounds.
- ✅ A large 13×6 m saltwater pool for family afternoons.
- ✅ Air-conditioned cottages, rated 4.9/5 from over 130 reviews, selected by Petit Fute 2026.
- ✅ Ideal for families and for large groups of up to 38 people in privatisation.
Discover our family cottage with pool or contact us to plan your stay.
In conclusion
- The Grotte de la Forestière, in Orgnac-l’Aven, is visited freely with a headlamp: an adventure children love.
- Shallow and secured, with no booking or time limit, it is ideal for families from the earliest age.
- The ticket often includes mini-golf, a pedal-kart track and a play area.
- Underground it stays cool all year: perfect in high heat or on rainy days.
- Just 20 minutes from Mas Saint Antoine, it is the family half-day par excellence.
Watching your children move through the dark, headlamp on, marvelling at a root or a coral-shaped concretion: that is a holiday memory worth all the screens in the world. And in the evening, back to the Mas for a dip in the pool. See you soon in Ardeche.
Frequently asked questions
Where is the Grotte de la Forestière located?
The Grotte de la Forestière is at the Col de la Forestière, in Orgnac-l’Aven, in southern Ardeche, on the Orgnac plateau at the gateway to the Ardeche Gorges. It is about 20 minutes’ drive from Mas Saint Antoine and just a few minutes from the famous Aven d’Orgnac.
Is the Grotte de la Forestière suitable for children?
Yes, it is one of the most child-friendly caves around. You visit it freely with a headlamp, along a signposted, secured route, in a shallow cave accessible from the earliest age. Children love exploring for themselves, and the ticket often includes mini-golf, a pedal-kart track and a play area.
Do you need to book to visit the Grotte de la Forestière?
No, the visit is without booking and without a time limit: you arrive when you like and explore at your own pace. This is especially convenient with children. The headlamp needed for the visit is provided at the entrance. Do check the season’s opening hours before setting off, though.
How much does entry to the Grotte de la Forestière cost?
The price is moderate, with free entry for toddlers and a reduced rate for children; it usually includes access to the mini-golf, pedal-kart track and play area. As prices change from season to season, it is best to check them on the cave’s official website before your visit.
How long does the visit last?
As the visit is self-guided, the length is up to you: allow around an hour to explore the cave calmly with the headlamp, taking time to read the panels. With the games, mini-golf and pedal-karts included, the outing can easily fill a good half-day with the family.
What is the best time to visit the Grotte de la Forestière?
The cave is open for much of the spring to autumn. As it is cool and constant underground, it is an ideal outing on very hot days as well as rainy days. Autumn, quiet and bright on the Orgnac plateau, is especially pleasant. Check the opening dates on the official website.
How should you dress to visit the cave?
Bring closed shoes, as the ground can be damp and slippery, and a light layer: even in high summer, the temperature underground stays cool and constant. The headlamp, essential to explore, is provided on site. There is no need to bring special gear: the visit is designed to be accessible to everyone.
What is special to see in the Grotte de la Forestière?
The cave stands out for its rare formations: coral-shaped crystallisations, concretions in warm tones, and above all tree roots running through the rock, a phenomenon unique in Europe. It is all discovered in an intimate atmosphere, by the sole light of your headlamp, which makes the experience very immersive.
What else can you do around the Grotte de la Forestière?
The Orgnac plateau is full of family activities: the Aven d’Orgnac, a Grand Site de France, and its Prehistory Centre a few minutes away, the Baume de Ronze reached on foot, and the Ardeche Gorges close by for swimming and canoeing. You can easily combine the cave with one of these on the same day.
Is the Grotte de la Forestière a good idea on rainy days?
Yes, it is even one of the best outings in rainy weather in Ardeche, since most of it takes place under shelter, underground. As the temperature is cool and constant, the cave is just as enjoyable during summer heatwaves. A safe bet to keep children busy whatever the weather.
Article written by Bernard Favre, owner of Mas Saint Antoine.

















