big cone geyser in yellowstone lake at west thumb geyser basin, yellowstone national park, wyoming, usa

algae america american background basin beautiful big boardwalk caldera clear color colorful colour colourful cone crater evenly faithful firehole formed geological geology geothermal geyser geyserite glory green hike hiking hot just lake landscape located many morning mostly mountains national natural nicely north of old outdoor outdoors park plateau rising rocky runoff shore spring springs states steam still tectonics thumb trail turquois united upper usa volcanic volcanism water west western wild wilderness wyoming yellow yellowstone