A man accused of raping his 10-month-old niece appeared in the Orkney Magistrate's Court on Friday, North West police said.
The 43-year-old man would be back in court on Monday for a bail application. He remained in custody, Colonel Emelda Setlhako said.
He was arrested last week Wednesday for allegedly raping the infant after taking her for a walk, when the child was left with her cousin on Tuesday.
When the cousin changed the infant's nappy she saw marks on her private parts, and thought she had nappy rash. That night, the child's mother also saw the marks while bathing her.
She took the baby girl to a clinic, where the rape was confirmed.
The matter was reported to the police and they arrested the child's uncle.