Poppy Mountain, 2,311 feet (704 m), sometimes identified as Pease Ridge, its northwest descending crest, is a prominent peak in the Taconic Mountains of western Massachusetts.

The mountain is located in Pittsfield State Forest and is traversed by the 35 mi (56 km) Taconic Crest hiking trail.

The overgrown summit is wooded with northern hardwood forest species.

The summit and west side of Poppy Mountain is located within the town of Hancock and the eastern slopes within Lanesborough.

The west side of the mountain drains into Kinderhook Creek, the Hudson River and Long Island Sound.