A one-year-old boy has been found safe in the Oregon woods after his father abandoned him for more than six hours.

Bradley Thomas was discovered by police covered in dirt, naked and alone on Thursday after a search involving drones, helicopters and riders on horseback.

Authorities said that the boy's father Brandon M Blouin, 25, has been booked into the Deschutes County Jail on multiple charges including first-degree criminal mistreatment, second-degree child neglect, third-degree assault and endangering the welfare of a minor.

Blouin, from Ohio, told police that he left his son to look for the boy's mother, but they suspect the father was on drugs when he abandoned Bradley in the forest.

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Bradley Thomas, one, was discovered naked in dirt in an Oregon forest on Thursday

Authorities say someone called around 6.15am on Thursday when Blouin came out of the woods and onto a strangers's property.

The witness said Bouin asked them to call 911.

The father told police that he had been staying in an SUV with his son and the boy's 18-year-old mother.

He added that the SUV was parked on the forest land and the mother left Bradley with Blouin.

The Sherrif's office said that when she did not immediately return, Blouin told them that he took the baby to go looking for his mother.

After a six-hour search, Detective Doug Jackson found the boy safe after his father abandoned him

At one point he confessed to putting the one-year-old down and walking away.

Detective Doug Jackson finally found Bradley lying naked in dirt around 12.10pm one mile from where Blouin's SUV was parked.

He was found in the area of Sholes Road and Tekampe Road, in southeast Bend.

Brandon Blouin, 25, has been booked on charges including neglect and assault for leaving his son

The detective who found the boy wrapped him in a sheriff officer's jacket to keep him warm and he was taken to a hospital in Bend for evaluations.

The sheriff's office held a donation for Bradley for new or lightly uses items such as clothes, toys and blankets.

Donations poured in as the office received donations from nearly a dozen of people.

KTVZ reports that toys, blankets, shows, clothing and diapers were dropped off on Friday at the office.

Sgt William Bailey said that authorities are grateful for the community's support, adding that a mother came in and dropped off blankets.

'Her young daughter wanted to make sure Bradley got his puppet and book. So we will make sure he gets these items for her. That's just a pretty cool story,' Bailey said.