🗿 Glacial erratic in Lake Geneva, Switzerland.
📍 Official reference point for Swiss altitude measurements.

Why Go

🗺️ Historical cartographic significance
🌊 Unique natural landmark in Geneva harbor
📜 Rich history from Bronze Age altar to modern geodetic marker

Why Avoid

🚫 Swimming not allowed in the immediate area
🚶 May only be viewed from a distance or by boat

Tips

👀 Best seen from the south side of the lake, near L’horloge Fleurie.