The sun rises over steaming West Thumb Geyser Basiin's Central Basin, and Yellowstone Lake. West Thumb Geyser Basin, while the smallest of the developed geothermal areas, is the most scenic due to its location along the shoreline of Yellowstone Lake. Early mornings create stunning steamy scenes with the caldera edge and Tetons as backdrop, mid day creates deep colors in hot springs. Yellowstone National Park, Wyoming.