Knockomagh Wood is a national nature reserve of approximately 31 acres (0.13 km2) located in County Cork, Ireland.

Knockomagh Wood was legally protected as a national nature reserve by the Irish government in 1989.

[1] The area was damaged during Hurricane Ophelia in 2017, which led to the wood being closed for a period of time.

[2] The wood is a small area of sessile oak and mixed broadleaf trees.

[4][5] Coillte own and manage the conifer trees above Knockomagh Wood on the slopes of the Hill.