Official closure notice for the Vaumarcus/La Monette site window.
Vaumarcus
Vaumarcus is a seasonal Lake Neuchâtel quarry dive.
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About Vaumarcus
Vaumarcus is a Lake Neuchâtel shore dive in an old gravel quarry, where human-cut walls and pyramid-like mounds create a broken canyon landscape. The quarry walls and deeper slope reward careful buoyancy and a steady pace, and the site is best for divers who are comfortable with colder freshwater conditions. It is a seasonal dive with a long closure, so planning matters as much as the underwater shape.
Research Estimate At Vaumarcus
Conservative baseline from public research. No community dives logged yet.
Where Is Vaumarcus?
Vaumarcus Planning Details
Depth range, seasonality, and planning context.
Reported Depth
10m - 45m
Depth Note
The shore quarry walls start around 10 m and run to roughly 45 m.
Best Season
October through March, when the site is open.
Typical Conditions
Cold freshwater, variable visibility, and a quarry-wall profile that rewards cautious buoyancy.
Safety & Access At Vaumarcus
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Treat the mounds as unstable, keep clear of them, and plan for the deeper quarry wall with proper buoyancy and gas margin.
Access Restrictions
Shore entry only, and the site is closed from 1 April to 30 September.
Legal Notes
Observe the seasonal closure and any local dive rules or lake notices.
Local Intel For Vaumarcus
Community notes to help plan your visit.
Scuba Diving
Notable underwater pyramids and small canyons, with a steep slope reaching about 40 m.
Freediving
Not a strong freedive target because of depth and unstable quarry features; scuba is the better fit.
Snorkeling
Snorkeling is not practical beyond the shallow edge; the main structure sits deeper.
Vaumarcus Dive Conditions Planner
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Exposure Profile at Vaumarcus
Directional shelter context for incoming swell.
Recent Logged Visits At Vaumarcus
Community dive logs and visit reports for this site.
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Dive Spot Log Averages At Vaumarcus
Average conditions based on logged dives & visits.
Vaumarcus Guide - Frequently Asked Questions
Planning answers for access, conditions, timing, and site logistics.
Vaumarcus Guide - Sources and Updates
Last Updated
Research Sources
Exact Vaumarcus site page with shore-access quarry walls, depth, instability warning, and local freshwater fauna.
Swiss-lake visibility, cold-water, wall-diving, and buoyancy-control context.
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