

Best for intermediate divers, 17-30m, boat entry, moderate current.
The Cairnstrath is a shipwreck located 3500 metres offshore in Arcachon Bay, France. The structure rests on the seabed at depths ranging from 17 to 30 metres, with an average depth of 24 metres. Divers should expect moderate currents and visibility between 5 and 10 metres. Due to the wreck structure, there is a risk of entanglement; divers must maintain buoyancy control and carry a cutting tool. Water temperatures are cool, ranging from 9C to 15C, necessitating a drysuit or thick wetsuit. Access to this intermediate-level site is strictly by boat charter, which should be arranged in advance through local dive shops.
47.00923, -2.48372
The entanglement risk on this wreck is real, so carry a cutting tool and avoid loose dangling kit before you enter the water. Book your boat charter in advance through the local dive shop, as access to the site depends entirely on organised boat trips.
Access is by boat.
Expected in this region. No sightings logged here yet.
Depth
17-30m
Visibility
5-10m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
9-15°C
Current
Moderate
Typical Dive
40 min
The wreck sits at depths between 17 and 30 metres, with an average depth of 24 metres.
No, this site is rated for intermediate divers due to the wreck structure, entanglement risks, and moderate currents.
Access is by boat only, located 3500 metres from shore. You must book a boat charter through a local dive shop.
The main hazard is the risk of entanglement within the wreck structure. Divers are advised to carry a cutting tool and secure all loose equipment.
No, this is a wreck dive site with depths starting at 17 metres, making it unsuitable for snorkelling.
Diving at The Cairnstrath wreck in Noirmoutier requires the following certifications: Open Water. Always dive within your training limits.
A drysuit recommended is recommended for diving at The Cairnstrath wreck in Noirmoutier. Water temperatures range from 9°C to 15°C.
Expect moderate currents at The Cairnstrath wreck in Noirmoutier. Good buoyancy control and some drift diving experience is helpful.
Visibility at The Cairnstrath wreck in Noirmoutier typically ranges from 5 metres to 10 metres. Conditions vary with weather, tides, and seasons.