Firehole River in Yellowstone National Park, Wyoming
North AmericaUSAWyomingYellowstone National ParkUS National Park Servicenational parkUNESCOWorld Heritage SiteYellowstone CalderaYellowstone LakeOld Faithful GeyserSouth Central Rockies forestGreater Yellowstone Ecosystemnaturelandmarktourist attractionMammoth Hot SpringsGrand CanyonFirehole River