Signal Mountain July 20, 2012 by Dogger Moving further North in the Park we drove up to the top of Signal Mountain. Providing excellent views of Mt. Moran and the Snake River Valley. Although a Large fire South of Jackson did bring quite a bit of smoke to the valley that day.. Lake Jackson Mt Moran through the smoke Sail boat way out on Lake Jackson Skillet Glacier in full view on Mt. Moran looking east into the Snake river Valley