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Private-property access restriction.
Steep Lake Zug wall dive for experienced divers
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Grafstatt is a steep freshwater wall dive on Lake Zug in Walchwil, reached by a tight shore entry from a narrow roadside parking strip by the pumphouse. The wall drops quickly into deep water and demands careful buoyancy, a calm exit plan, and comfort with cool, changeable lake conditions. It is a classic Swiss lake wall for experienced divers who want a simple access route and a serious underwater profile.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
15m - 45m
Depth Note
The main wall starts around 15 m and drops beyond 40 m, with a sunken tree around the wall at about 20 m.
Best Season
Year-round, with clearer windows more likely in cooler periods.
Typical Conditions
Steep lake-wall profile with a rocky shore entry, cold water, and variable clarity in the upper layer.
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Treat Grafstatt as an experienced-diver lake wall: keep gas and buoyancy conservative, and plan the exit as carefully as the entry.
Access Restrictions
Use the designated roadside access and do not use the private-property stair beside the boathouse.
Legal Notes
A private-property stair at the boathouse is off-limits, so keep clear of the property boundary and follow local access guidance.
Community notes to help plan your visit.
Scuba Diving
Grafstatt is best for experienced scuba divers who are comfortable with a shore entry and a steep wall profile.
Freediving
Not a target freedive site.
Snorkeling
Not a snorkel site.
Use the planner to scan this week, inspect today in local time, and understand how exposure shapes conditions at Grafstatt.
Directional shelter context for incoming swell.
Species commonly reported at this site, with direct links into their wildlife guides.
Community dive logs and visit reports for this site.
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Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
Private-property access restriction.
Recent visibility observation for Grafstatt.
Grafstatt wall profile, shore access, and depth.
Difficulty, parking, and wall depth.
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