After you have heard them gobbling, and possible figure out where they go after they fly down, come back later and look for alot droppings under trees where you think they were roosting so you can pinpoint the roost sight a little more. alot of new hunters make the mistake of getting to close to the roost and busting the birds because they were closer than thought when they are hunting (hard to judge sound in the woods) I almost bet they will roost near the water at least they do in my area. In my area they prefer roosting in big old pine trees.