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Blood Geyser

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Blood Geyser is near the Artists Paintpots Trailhead in Yellowstone National Park. The average temperature of the geyser is 196.7°F (91.5°C). The Blood Geyser perpetually spouts from a pool about 13x10 feet (4x3 m) in size and there's an orangish-red color with a sinter (porous mineral deposit) around the pool. Set in the hillside, Blood Geyser has a runoff channel to the north with grass growing around it.