The Laggin Bivouac () is an unmanned bivouac box of the Monte Rosa section of the Swiss Alpine Club and is located on the east side of Fletschhorn and Lagginhorn.
The first Laggin bivouac was built in 1958/1959 at 2,752 m and destroyed by a landslide on March 31, 1981. The current bivouac was opened on September 14, 1983.