Greyrock Mountain is a 7,616-foot summit in the Laramie Mountains, part of the Rocky Mountains, located in Roosevelt National Forest in northern Colorado near Poudre Park. Known locally as a hiking destination, its summit is reached by the Greyrock Mountain National Recreation Trail. Rising above the Poudre Park area within the Front Range foothills, it stands out as a recognizable landmark and a well-known outdoor destination in this part of the national forest.