

Best for advanced divers, 15-40m, shore entry, mild current.
Grotte de Bange is a freshwater cave dive in the French Alps, offering an overhead environment that ranges from 15 to 40 metres in depth. Divers typically experience an average depth of 20 metres during a 45-minute dive. The site features mild currents and visibility that fluctuates between 5 and 15 metres. Due to the overhead environment, cold water temperatures, and potential for nitrogen narcosis at depth, this site is strictly for advanced divers with cave certification. Shore entry is available with on-site parking. Divers must maintain strict buoyancy control and adhere to rehearsed team protocols throughout the dive.
45.73715, 6.10200
A vehicle adapted to a poorly surfaced path is necessary to reach the unloading point at the end of the cave path.
From the N201 between Aix-les-Bains and Annecy, take the D5 towards Gruffy. Pass the village of Alleves to join the D911. Continue up the Cheran river. Park on the left at the foot of the cave path at the exit of the hamlet Chez Matinod. It is a ten-minute walk to the unloading point, followed by a twenty-minute climb to the cave entrance and a thirty-minute walk to the basin.
Expected in this region. No sightings logged here yet.
Depth
15-40m
Visibility
5-15m
Skill Level
Advanced
Entry
Shore
Current
Mild
Typical Dive
45 min
No, this site is for advanced divers only. Cave and advanced certifications are required due to the overhead environment and depth profile.
The cave system extends from 15 to 40 metres, with an average depth of 20 metres.
This is a shore entry dive with parking available on site.
Hazards include cold water, deep sections, low visibility, and the risks associated with an overhead environment and nitrogen narcosis.
No, this is a cave diving site requiring advanced certification and technical equipment.
Diving at Grotte de Bange in Alleves requires the following certifications: Advanced, Cave. Always dive within your training limits.
Grotte de Bange in Alleves typically has mild currents that most divers can handle comfortably.
Visibility at Grotte de Bange in Alleves typically ranges from 5 metres to 15 metres. Conditions vary with weather, tides, and seasons.