I used to hear good things about the turkey hunting in the Jefferson National Forest near Blacksburg, but for the life of me cannot recall which creek it was. It's surprising where one finds roosts in the mountains, but of course with the apparent caveat that water is never so much as half a mile away. If really willing to roll the dice, go on GoogleMaps and find creeks leading to flat bottom land, surrounded by hollers and slopes. Makes for a natural roost---they like to fly down to the flat clearings from the higher slopes.