Mount Harkness Fire Lookout

The Mount Harkness Fire Lookout, on Mount Harkness in Lassen Volcanic National Park, in Plumas County, California near Mineral, California, was listed on the National Register of Historic Places in 2017.
It was built in 1931 to a "classic rustic NPS design". It has a cab with a log catwalk and railings, upon a stone tower.
It is at elevation and is staffed and open during the summer.
It is one of fewer than 40 operating National Park Service (NPS) fire lookouts in 2019.