Step into a narrow limestone throat north of Lake Bourget for three hours of natural slides, jumps, and plunge pools. This guided canyoning route mixes geological wonder with active fun—ideal for swimmers and adventure seekers who want a short, intense canyon experience.
More ways to explore the area's outdoor wonders
A cool column of water narrows as you step into the Groin canyon—limestone walls closing in, light slivering down from above, and a current that nudges you along natural slides and clear plunge pools. For three hours the route asks for steady feet, a ready breath, and a taste for controlled risk: jumps of varying heights, slick rock to edge-slide, and pockets of calm for recovery.
Difficulty
moderate
Duration
3 hours
Fitness Level
Suitable for people with basic fitness and comfort in water; able to swim short distances and climb on uneven rock.
Wildlife
History
The canyon runs through Jurassic limestone; local rock records ancient marine beds uplifted by Alpine orogeny and sculpted by millennia of running water.
Conservation
Stick to marked entry and exit points, avoid leaving any gear in pools, and use local guides to minimize erosion and protect fragile karst habitats.
Reserve your spot on the Canyoning du Groin near Lyon today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Book for low-to-moderate flow
Canyon conditions change with recent rain—choose summer and confirm flow levels with the operator to avoid overly high currents.
Wear secure water shoes
Closed-toe shoes with good drainage and tread reduce slipping on smooth limestone and protect toes during jumps.
Bring a change of warm clothes
Microclimates in the gorge are cooler; a dry base layer and windbreaker help you recover after the wetsuit comes off.
Listen to the guide on jumps
Guides choose jump points based on depth and flow—if unsure, opt to slide or lower in rather than jump.
Closed-toe canyoning or water shoes
Provide traction on wet limestone and protect feet during landings.
summer
Swimwear under a wetsuit
Wetsuit is usually provided; swimwear keeps you comfortable and hygienic.
summer
Quick-dry layers and a warm top
For post-canyon comfort—temperatures inside the gorge stay cool.
summer
Waterproof phone case or dry pouch
Protects essentials and allows photos once permitted by the guide.
summer