Lai da Palpuogna (Romansh; German: Palpuognasee) is a mountain lake at Albula Pass in the municipality of Bergün, in the Grisons, Switzerland. Surrounded by pine forests and majestic peaks, the lake offers a serene setting that captivates visitors throughout the year. The crystal-clear waters reflect the sky and mountains, creating a picturesque scene that's perfect for photography. In a 2007 television program of the Swiss channel SF 1, the lake was voted the most beautiful place in Switzerland. Many tourists and locals visit this natural wonder to hike, picnic, and immerse themselves in its tranquil beauty.

• List of mountain lakes of Switzerland

• Media related to Lai da Palpuogna at Wikimedia Commons