Lenzerheide (Romansh: Lai) is a ski resort in the canton of Graubünden, Switzerland. It is below Parpaner Rothorn. It is in the municipality of Vaz/Obervaz.
Lenzerheide is popular as skiing resort and for its lake (Heidsee) that is frozen in winter.
At the end of 2013 the Lenzerheide ski resort was linked with Arosa by cable-car, creating the new ski resort of Arosa Lenzerheide.
Coordinates: 46°45′N 9°33′E / 46.750°N 9.550°E / 46.750; 9.550