Fenton Hill Observatory

Fenton Hill Observatory is an astronomical research facility operated by Los Alamos National Laboratory in the Jemez Mountains of New Mexico, about west of Los Alamos. The site is home to several astronomical experiments and observatories spanning . It is also known as Technical Area 57 (TA-57) and is located at an elevation of in a region shielded from light pollution. Los Alamos National Laboratory has a use agreement with the Forest Service for the , which is located near Fenton Lake State Park.