Third man arrested over NSW gang rape

A third man has been charged over the gang rape of a teenage girl in the NSW southern tablelands.

Two men have already been charged with sexually and indecently assaulting the girl at the Wollondilly River in Goulburn.

According to police, the teenager was at the river on Wednesday when she was approached by the three men.

It is alleged the trio then sexually and indecently assaulted her.

After the attack, the girl told her mother, who contacted police.

Police later arrested two men at a Goulburn home and charged them with aggravated sexual assault with a person under the age of 16.

A third man, 26, turned himself in at Goulburn police station on Thursday.

He has been charged with aggravated sexual assault and aggravated act of indecency with a victim under 16.

He was refused bail and will appear at Goulburn Local Court on Friday.