Opus 40 is a large envi­ron­men­tal sculp­ture in Sauger­ties, New York, cre­ated by sculp­tor and quar­ry­man Har­vey Fite (1903-1976). It com­prises a sprawl­ing series of dry-stone ramps, pedestals and plat­forms cov­er­ing 6.5 acres of a blue­stone quarry.