Off interstate 95; take Rt 222 west through the town of Port Deposit to Route 1. Turn left onto Route 1; cross the dam and take the first left. Follow signs down the hill to the parking lot near the water.
Early morning is best but watch out - the vultures love to sit cars in the parking lot! A long telephoto is best to catch Eagles in flight or on the rocks.
A Bald Eagle surveys the Susquehanna River looking for fish just below the Conowingo Dam. He has found a bit of quiet away from the far bank where several dozen Bald Eagles watch the water as well as Vultures, Seagulls, and Ducks.