Conditions
Scored by DiveConnect's site-physics model
Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
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About this site
Alter Stollen lies in eastern Switzerland, in the canton of Graubünden near the coordinates placing it in the region around the upper Rhine valley. It is a beginner-level site with a maximum depth of around 10 metres, making it a shallow, accessible dive.
AI overviewDurable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
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