Pines Lake is an unincorporated community on a lake in Wayne, in Passaic County, New Jersey, United States. Pines Lake was started in the 1920s as a vacation community around a man-made lake approximately 1.5 miles (2.4 km) long and 0.5 miles (0.80 km) wide. Many of the original homes were modified log cabins. A large number of these log cabins, built of American chestnut in the 1930s, are still occupied as year-round homes. Gradually the neighborhood became approximately 500 high end to moderate suburban homes. It has a grammar school, Pines Lake School and its residents can send their high school aged children to Wayne Hills High School.