Operator article describing the underwater landscape and freshwater life.
Lake Lucerne shore wall dive with fishy shallows.
Lake Lucerne shore wall dive with fishy shallows.
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Brougier Park Unterwilen is a Lake Lucerne shore dive with two useful lines: a shallower plant-covered route and a deeper wall run. Divers get boulders, cliffs, trees, and a lot of freshwater life, while the park's entry windows and limited parking shape the day as much as the underwater profile. It is the kind of site that rewards a calm, deliberate setup more than a rushed splash.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
3m - 35m
Depth Note
One route stays around the 11m plant line, while the deeper wall begins around 20-35m depending on the line you choose.
Best Season
Spring is the standout season for toad activity; otherwise the site works when the access windows and lake conditions cooperate.
Typical Conditions
Shore-entry lake diving with a shallow plant bed, deeper wall sections, limited parking, and toilets that are not always open in the colder months.
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Check the access window before gearing up, keep a light for the deeper wall line, and do not assume the gravel-beach entry is always open.
Access Restrictions
The gravel-beach entry/exit is closed from 10:00 to 20:00 between June 1 and August 31, and fully closed from September 1 to December 31. The steps in front of the parking lot stay open all year.
Legal Notes
Use the designated access point, follow the posted park rules, and respect local emergency procedures if a problem occurs underwater.
Community notes to help plan your visit.
Scuba Diving
Best as a shore scuba day with a shallow warm-up line and a deeper wall option for more committed divers.
Freediving
Breath-hold work only makes sense in the shallow entry zone; the site is not a dedicated freedive target.
Snorkeling
Snorkeling is secondary here; the shallow margin has life, but the site is really built for shore scuba and wall exploration.
Species commonly reported at this site, with direct links into their wildlife guides.
Community dive logs and visit reports for this site.
Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
Operator article describing the underwater landscape and freshwater life.
Detailed site layout, access windows, and depth lines.
Official Lake Lucerne tourism page listing Unterwilen as a dive site with restriction notes.
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