A coal mine in the Upper Hunter region of NSW has announced it will close its doors in 2028, leaving countless workers at risk of losing their jobs.

The Mining and Energy Union says 60 jobs at Yancoal's Ashton underground coal mine will be cut soon, with a full closure expected by early 2028.

A coal mine in the Upper Hunter region of NSW has announced it will close its doors in 2028, leaving countless workers at risk of losing their jobs.