Welcome to the Green River Locks and Dam 1 and 2. The Green River Locks and Dam No. 1 is located on the Green River near Henderson, Kentucky, at mile 9.1. The Navigation locks are located on the right descending bank of the Green river. The upper pool is maintained above the dam and extends upstream for a distance of 54 miles to the Green River Locks and Dam No. 2. The Green River Locks and Dam No. 2 is located on the Green River near Calhoun, Kentucky, at mile 63.1. The Navigation locks are located on the right descending bank of the Green river. The upper pool is maintained above the dam and extends upstream for a distance of 45.4 miles to Locks and Dam No. 3, which is now inactive, near Rochester, Kentucky.