

Best for intermediate divers, 20-75m, shore entry.
Pont Thusy is a freshwater wall and drop-off site located at Lac de la Gruyere. The topography extends from 20 metres down to 75 metres, making it suitable for intermediate divers. Divers can expect visibility between 5 and 10 metres. A pronounced thermocline is present, with surface temperatures reaching 20°C in summer while deeper water remains at 5-6°C. Due to the cold water and depth, a drysuit or well-configured wetsuit is essential. The site is accessed via a shore entry with parking available nearby. Marine life in this habitat includes various temperate freshwater fish and invertebrates.
46.68817, 7.10407
Cold water and a pronounced thermocline make a drysuit or well-configured wetsuit essential at this site, even in summer. Parking is available at the shore entry point, so there is no need to carry heavy gear far.
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Expected in this region. No sightings logged here yet.
Depth
20-75m
Visibility
5-10m
Skill Level
Intermediate
Entry
Shore
Current
None
Typical Dive
40 min
The site supports a variety of temperate freshwater fish and invertebrates typical of the region, including species such as perch, pike, and freshwater shrimp.
No, this site is intended for intermediate divers due to the depth, which reaches 75 metres, and the presence of cold water and thermoclines.
The wall and drop-off structure extends from 20 metres down to a maximum depth of 75 metres.
Pont Thusy is a shore entry site with parking available at the entry point.
Divers should be prepared for cold water, significant depth, low and variable visibility, and the presence of a thermocline.
Diving at Pont Thusy in Lac de la Gruyere-Pont Thusy requires the following certifications: Open Water, Advanced. Always dive within your training limits.
Visibility at Pont Thusy in Lac de la Gruyere-Pont Thusy typically ranges from 5 metres to 10 metres. Conditions vary with weather, tides, and seasons.