The Hess triangle is a triangular tile mosaic set in a sidewalk in New York City's West Village neighborhood at the corner of Seventh Avenue and Christopher Street. The plaque reads "Property of the Hess Estate which has never been dedicated for public purposes." The plaque is an isosceles triangle, with a 25+1⁄2-inch (65 cm) base and 27+1⁄2-inch (70 cm) legs (sides).