Heishan (Chinese: 黑山; pinyin: Hēishān; lit.

'black mountain') is a county of north-central Liaoning, People's Republic of China.

Towns: Townships: Heishan has a monsoon-influenced humid continental climate (Köppen Dwa), characterised by hot, humid summers and long, cold and windy, but dry winters.

A majority of the annual rainfall of 571 mm (22.5 in) occurs in July and August alone.

The monthly 24-hour average temperature ranges from −10.0 °C (14.0 °F) in January to 24.0 °C (75.2 °F) in July, and the annual mean is 8.32 °C (47.0 °F).