Haystack Peak is a 12,020-foot elevation (3,664 m) mountain summit located in Juab County, Utah, United States.

Bristlecone pine can be found on the peak's slopes, as well as spruce, fir, and aspen.

This landform's toponym was officially adopted in 1974 by the U.S. Board on Geographic Names.

[2] Haystack Peak is set in the Great Basin Desert which has hot summers and cold winters.

Due to the high elevation and aridity, temperatures drop sharply after sunset.