Police are investigating a fatal crash in Mummulgum, about 30km west of Casino.
About 5.30pm Saturday (January 16), a white Ford Festiva, travelling east along the Bruxner Highway, and a red Toyota Aurion travelling west, collided.
Emergency services attended and officers from Richmond Local Area Command established a crime scene.
The Festiva driver and sole occupant, a 46-year-old Bonalbo man, died at the scene.
The Toyota driver and sole occupant, a 73-year-old Bonalbo man, sustained serious injuries and was treated at the scene by NSW Ambulance Paramedics before being taken to Lismore Base Hospital.
Specialist officers from Far North Coast Crash Investigation Unit examined the area and are continuing their inquiries into the incident.
Investigators are keen to speak with anyone who may have seen the vehicles involved before the crash occurred.
Police are urging anyone with information in relation to this incident to call Crime Stoppers on 1800 333 000 or use the Crime Stoppers online reporting page: https://nsw.crimestoppers.com.