View of the upper Valley of Ten Thousand Smokes, looking west. The prominent feature in the foreground is Whiskey Ridge, composed of Jurassic-aged sedimentary rocks of the Naknek Formation. Two domes in the middle-right are Falling Mountain and Cerberus. Baked and Broken Mountains are visible on the right. In the basin in the center, the vent for the great eruption of 1912 is located, though Novarupta dome is not visible.