YORK — A 52-year-old man was found dead this morning after apparently suffering from a medical problem at the summit of Mount Agamenticus, where he had been biking, police said.

York Police Sgt. Brian Curtin said a woman called police about 9 a.m. after finding the man’s body in a portable toilet and trying to administer CPR.

He said the Medical Examiner’s Office is working to determine the cause of death, but it doesn’t appear suspicious. Curtin declined to give the man’s name.