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Thermal Pools

Morning Glory Pool with visitors. Yellowstone National Park, Wyoming, USA. () Mineral pool known as Paint Pot, used by First Nations for coloring. Kootenay National Park, Canadian Rockies, British Columbia, Canada () Thermal pool in Bumpass Hell thermal area. Lassen Volcanic National Park, California, USA. () West Thumb Geyser Basin. Yellowstone National Park, Wyoming, USA. () Ochre mineral pool called Paint Pot, used as a source of color by the First Nations. Kootenay National Park, Canadian Rockies, British Columbia, Canada () Green pool in Bumpass Hell thermal area. Lassen Volcanic National Park, California, USA. () Bright colors of morning Glory Pool. Yellowstone National Park, Wyoming, USA. () Refexions in the yellow waters of the Paint Pots. Kootenay National Park, Canadian Rockies, British Columbia, Canada () Turquoise pool in Bumpass Hell thermal area. Lassen Volcanic National Park, California, USA. () West Thumb geyser basin. Yellowstone National Park, Wyoming, USA. () Trees and branches, mineral pool stained yellow by iron oxide. Kootenay National Park, Canadian Rockies, British Columbia, Canada () Raibow colored Morning Glory Pool. Yellowstone National Park, Wyoming, USA. () One of the ochre-colored Paint Pots, a warm mineral spring. Kootenay National Park, Canadian Rockies, British Columbia, Canada () Beauty Pool. Yellowstone National Park, Wyoming, USA. () Two of the Paint Pots with mineral-colored water. Kootenay National Park, Canadian Rockies, British Columbia, Canada () Sapphire Pool, afternoon. Yellowstone National Park, Wyoming, USA. () Paint Pot and fallen trunk. Kootenay National Park, Canadian Rockies, British Columbia, Canada () Blue clear waters in Sapphire Pool. Yellowstone National Park, Wyoming, USA. () Morning Glory Pool, midday. Yellowstone National Park, Wyoming, USA. () Thermal pool, upper Geyser Basin. Yellowstone National Park, Wyoming, USA. () Travertine formations in Upper geyser basin. Yellowstone National Park, Wyoming, USA. () Steam out of Beauty pool in Upper geyser basin. Yellowstone National Park, Wyoming, USA. () Chromatic Pool in Upper Geyser Basin. Yellowstone National Park, Wyoming, USA. ()

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