After 12 days scouring more than 600 square kilometres in harsh and difficult conditions, the search for a 62-year-old man missing in Western Australia's remote north has been scaled back.

Mark Sear was last seen driving away from Moola Bulla Station on September 19, about 80km north of Halls Creek in the Kimberley.

His vehicle was found bogged in a dry riverbed six days later, off the Great Northern Highway.

Missing man search continues Photo shows An older, dark-haired man with a salt-and-pepper beard wears a high-vis jacket.

High temperatures and harsh conditions have complicated the search for missing 62-year-old man Mark Sear, who was last seen 10 days ago in Western Australia's remote north.

Despite an extensive land and air search by local police, officers from Perth's Tac

See Full Page