[6] Today the park has camping and picnic facilities,[7] and is favored by astronomers for its clear views unsullied by artificial light.

[11] Previously called Gavilan Peak, it is now named for John C. Frémont, an American explorer and a Captain in the U.S. Army Corps of Topographical Engineers at the time.

As a response to the threat, local Mexican authority General José Castro ordered Frémont and his men to leave California.

[12] The U.S. Consul in Monterey, Thomas O. Larkin supported Castro's decision to evict Frémont, and his men were duly ordered out of the area.

[6][13] Fremont Peak lies along the Rocky Ridge fault, and is the largest of many small pendants and septa of pre-Cretaceous metasedimentary rocks in the deeply eroded granitic terrain of the northern Gabilan Range.