Azure Spring, Thermal spring in Wyoming, US

Azure Spring is a hot spring in Wyoming that discharges mineral-rich water into pools of varying temperatures. The water flows naturally from underground geothermal sources and creates distinct zones based on heat levels.

Azure Spring lies in the Lower Geyser Basin of Yellowstone National Park, in the state of Wyoming. The French Wikipedia entry records that the spring overflows periodically, but that eruptions are rare and last four to six minutes. The spring sits close to Pocket Basin Geyser.

Azure Spring sits in the Lower Geyser Basin, where it periodically overflows; eruptions are rare and last four to six minutes. Visitors view it from the basin's boardwalks and trails, which also pass nearby Pocket Basin Geyser and other thermal features.

Azure Spring sits in the Lower Geyser Basin, close to Pocket Basin Geyser. Its water reaches 79 °C (174 °F), so stay on the boardwalks and keep behind the railings; touching or entering the spring causes severe burns. The spring overflows periodically, and eruptions are rare but last four to six minutes.

Azure Spring's eruptions are rare but last four to six minutes, and the pool periodically overflows; nearby stands Pocket Basin Geyser. The spring's water reaches 79 °C (174 °F).