Greenhorn Mountain is the highest summit of the Wet Mountains range in the Rocky Mountains of North America. The prominent 12352ft peak is located in the Greenhorn Mountain Wilderness of San Isabel National Forest, 8.4km southwest by west (bearing 238°) of the Town of Rye, Colorado, United States, on the boundary between Huerfano and Pueblo counties. The summit of Greenhorn Mountain is the highest point in Pueblo County, Colorado. The peak's summit rises above timberline, which is about 11500ft in south-central Colorado.GeographyThe massive Greenhorn Mountain can be seen from Colorado Springs, Pueblo, Trinidad, and also from along Interstate 25 rising over 7000ft above the great plains to the east. The mountain's habitats are protected within the secluded Greenhorn Mountain Wilderness Area, which is only accessed by a few trails and a 4-wheel drive road on its north.