Hike to the top of the New Croton Dam, a 170′ high masonry wall built between 1892 and 1905 to expand the original Croton reservoir. Engineers and contractors hired hundreds of immigrants and migrants to divert the river, dig a massive hole, and construct the dam using hand-shaped granite blocks. It was the tallest dam ever constructed upon completion and still functions as a massive holding area for the waters of the Croton watershed.
The New Croton Dam is located east of Croton-on-Hudson at Croton Gorge Park on Route 129. You can also reach the top of the south side of the dam by using 3 Croton Lake Road as a GPS address. … but turn left onto Croton Dam Road. Getting There