A '''mill race''' or '''raceway''' is the current or channel of a stream, esp. one for conducting water to or from a water wheel or other device for utilizing its energy.
Hikers on the Ben Utter Trail in Arcadia Management Area, Hope Valley, Rhode Island, can see the site of a former sawmill and may notice man-made channels cut into the granite. These grooves formed the millrace, increasing the speed of the water as it approached the sawmill so that it would have adequate force to turn the mill's huge waterwheel.
Mill Race was also the name for a List of the largest artificial non-nuclear explosions#Conventional explosions for nuclear testing|test of nuclear technology using 620 tons of conventional explosives, conducted in 1981 at the White Sands Missile Range.
