A Dishforth woman who claimed she had been raped in Ripon admitted lying to police on Tuesday, May 28.
Phillipa Costello, 27, told North Yorkshire Police she had been raped at Market Place, Ripon.
She reported the offence on April 12, 2012.
At Teesside Crown Court on Tuesday, Ms Costello pleaded guilty to perverting the course of justice through making a false report of rape.
She has been bailed until Monday, June 24 while pre-sentence reports are prepared.