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The Highlands is a neighborhood and unincorporated district in San Mateo County, California, United States. It is bordered by Interstate 280 to the west, State Route 92 to the south, Polhemus Road to the east, and Crystal Springs Road, which parallels San Mateo Creek, to the north. The town of Hillsborough is just north of the Highlands and the city of Belmont is to the south.[1]