A chilling find in the isolated deserts of Southern California has initiated a murder inquiry after a hiker uncovered a human skull.

Deputies from the San Bernardino County Sheriff’s Department were dispatched around 7:30 a.m. on Wednesday to a desolate region close to Adobe Road and Baseline Road in Twentynine Palms following the report of the gruesome discovery.

Officials have indicated that the skull seems to belong to an adult and may have been exposed to the harsh desert conditions for a significant duration.

In the vicinity of Joshua Tree National Park, with its iconic trees and massive rock structures, authorities are now delving into the circumstances surrounding the found remains.

The Sheriff’s Department’s Homicide Detail has assumed control of the investigation, a standard protocol in situations involving discovered human remains, as informed by officials to Fox News Digital. Detectives, alongside the Coroner’s Division and crime scene experts, carried out a thorough search of the area and successfully retrieved the skull.

Investigators from the San Bernardino County Sheriff’s Department are actively working on the case as of January 24, 2024.

No additional remains were found.

It remains unclear how the skull ended up in the remote desert landscape.

San Bernardino Sheriff’s Department officials investigate a crime Jan. 24, 2024. (Brian Van Der Brug/Los Angeles Times)

The remains will undergo forensic examination and DNA testing as investigators work to identify the individual and determine how the person died.

Officials said they are comparing the remains against local, regional and national missing persons databases, but no identifying details, including age, sex or other characteristics, are known.

Authorities say there are no known signs of trauma or foul play at this stage, though that could change pending further examination. There are also no known public safety concerns for residents or visitors to the area.

Joshua trees dot the desert landscape near Twentynine Palms, Calif., where a human skull was recently discovered. (Frederic J. Brown/AFP via Getty Images)

Fox News Digital reached out to the San Bernardino County Sheriff’s Department to ask whether additional items were found, how long the remains may have been there and whether more searches are planned.

Officials said no other remains were located but declined to estimate how long the skull had been exposed and said additional information remains pending.

Anyone with information is urged to contact authorities at 909-890-4904.