The sudden death of a 63-year-old man in the Cairn O’Mount road area caused the road to be blocked for several hours.
Police officers were on the scene and investigated the full circumstances of the death.
Both an ambulance and an air ambulance were dispatched to the incident.
It took place near the Glensaugh turn-off to Feughside Caravan Park in the afternoon.
The B974 Old Military Road, which runs from Fettercairn over Cairn O’Mount to Banchory, remained closed while the investigation was completed.
A post on social media showed an ambulance and a police car on the scene at 4.23pm.
The road reopened at about 8.30pm.
The incident was initially reported as a crash, but the cause of death is now unconfirmed.
A police spokesman said: “Around 2.45pm on Wednesday, July 19, we were called to the sudden death of a 63-year-old man in the Cairn O’Mount Road area of Fettercairn.
“Emergency services attended. The road was closed for several hours and reopened around 8.15pm.
“Inquiries are ongoing, however there do not appear to be any suspicious circumstances.”
A Scottish Ambulance Service spokeswoman said: “We received a call on July 19 at 2.36pm to attend an incident at Cairn O’Mount Road, Fettercairn. We dispatched an ambulance and an air ambulance to the scene.”