en.hautbugey-tourisme.com · Official Tourism
Regional tourism lake overview with glacial origin, size, and general visitor amenities.
Dive Spot Guide•
Port, Lac de Nantua
Deep freshwater shore dive at Port, Lac de Nantua.
Regulated lake shore dive with steps or pontoon entry, a muddy bottom, and a deeper aircraft-wreck section; the shallows can turn hazy while the deep water gets very dark.
About Port, Lac de Nantua
A deep freshwater shore dive at Port, Lac de Nantua, set in a glacial lake ringed by limestone cliffs on the Port side of the lake. Entry is from steps or a pontoon, the bottom drops into a muddy slope, and a submerged aircraft wreck adds a classic lake feature in the deeper section. Plan for regulated activity zones, seasonal bathing traffic, and low-light conditions below the shallows.
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Research Estimate At Port, Lac de Nantua
Conservative baseline from public research. No community dives logged yet.
AccessSimple entry
CoralHeavily damaged
Aquatic LifeAverage variety
FacilitiesBasic facilities
Crowd / PopularityModerate
CurrentNo current
SurgeFlat calm
Where Is Port, Lac de Nantua?
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Community sourced coordinates.
Port, Lac de Nantua Planning Details
Depth range, seasonality, and planning context.
Reported Depth
0.5m - 42m
Depth Note
Aircraft wreck visible at around 27 m; visibility reported to improve below 10 m and the site becomes very dark at depth.
Typical Conditions
Shallow visibility varies with season, improves below the upper layer, and the deep section turns dark quickly over a muddy bottom.
Safety & Access At Port, Lac de Nantua
Site conditions, restrictions, and access requirements.
Site Conditions
Low visibility
Safety Notes
The descent is rapid and the site becomes very dark at depth; plan gas and depth conservatively and use an appropriate light.
Access Restrictions
Dive only in the lake's designated activity zones and stay out of supervised bathing areas.
Legal Notes
The lake is a regulated ENS site with a municipal navigation order; diving subaquatique is allowed only in designated zones.
Local Intel For Port, Lac de Nantua
Community notes to help plan your visit.
Scuba Diving
Max depth is 42 m with a rapid descent; an aircraft wreck can be visited at about 27 m.
Freediving
Only the shallow edge makes sense for apnea; the main site is scuba-oriented.
Snorkeling
Snorkeling is limited to the shallow shoreline and is not the main draw.
Wildlife at Port, Lac de Nantua
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Port, Lac de Nantua
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Port, Lac de Nantua
Average conditions based on logged dives & visits.
No community dive data has been logged here yet. Be the first to record a dive and seed the averages.
