The Wildsee, occasionally also called the Seefelder See (Lake Seefeld), is a lake near the Austrian resort of Seefeld in Tirol at the foot of the Gschwandtkopf (1,495 m). It has an area of 6.1 hectares and a maximum depth of 5.1 metres. The majority of the lake belongs to the municipality of Seefeld, its south and west shores are part of Reith bei Seefeld.