Lamont (also La Monts Mill) is an unincorporated community in northeastern Greenwood County, Kansas, United States. It lies along K-58 northeast of the city of Eureka, the county seat of Greenwood County. Its elevation is 1,125 feet (343 m), and it is located at (38°6′45″N96°1′36″W) (38.1125234, -96.0266589).