Clove Mountain is located in Union Vale, Dutchess County, New York, rising to an elevation of 1,398 ft (426 m). It is the town's highest point. It marks the southern extent of the Taconic Mountains and its bedrock is metamorphic, composed of rocks like schist, phyllite, and . Flora and fauna on the mountain are consistent with those found throughout the broader New England Uplands. Rattlesnakes are commonly found on the mountain. It is the site of a Verizon Wireless cell tower and a Dutchess County 911 Radio Repeater.