"The helicopter carrying Dr Ahmadinejad and a number of officials on Sunday had an accident, but the pilot managed to land the aircraft safely," the website president.Ir reported.
He had been en route to inaugurate a local project in a mountainous region of northeast Iran when the incident happened.
"With God's help the president and the officials accompanying him were not hurt. After the landing the president inaugurated the project and returned to Tehran by car," the website added.
Ahmadinejad is coming to the end of his second term as president of the Islamic republic.
Eight approved candidates are standing for president in an election on June 14, and Ahmadinejad's term in office ends on August 3.