TUCSON – Human remains were discovered in Pima Canyon Trail Monday night, according to Pima County Sheriff’s Department.

The department is now investigating the scene, near First Avenue and Magee Road.

The Office of the Medical Examiner and Arizona Game and Fish Department are also working with PCSD to determine what happened on the trail, according to Deputy James Allerton.

Pima Canyon Trail remains closed, as authorities investigate.

PCSD is conducting an investigation at Pima County Trail near First Ave. & Magee Rd. Details are limited at this time. pic.twitter.com/sHHlfi5zwI — AndrewKVOA (@AndrewKVOA) December 31, 2019

The public is asked to avoid the area.

No further details have been released at this time.

Stay with News 4 Tucson for the latest updates.