In this Dec. 1, 2020, file photo, water cascades down Bridal Veil Falls in Provo Canyon, Utah, near where Adrian Vanderklis, 40, of Roosevelt fell to his death over the weekend. Credit: Isaac Hale / The Daily Herald via AP

SPANISH FORK, Utah — A Utah man hiking with the young son of his fiancee fell to his death near Bridal Veil Falls in Provo Canyon, leaving the 9-year-old boy to climb down the mountain by himself, authorities said.

The boy’s mother called for help, saying she could see her son from below, crying and alone, according to the Utah County Sheriff’s Office on Sunday.

Volunteer search and rescuers and a Department of Public Safety helicopter crew responded Saturday evening. They found the body of Adrian Vanderklis, 40, of Roosevelt at an elevation of about 5,800 feet on a nearly vertical slope as night fell, and determined that he apparently died immediately as a result of his injuries.

His body was recovered on Sunday and was taken to a medical examiner’s office for an autopsy, the release said.

The boy was with him but did not actually see Vanderklis fall, the sheriff’s office said.