At 300 feet wide, nearly 200 feet deep, and discharging an estimated 560 gallons of water every MINUTE, Grand Prismatic Spring is a major sight you won't want to miss!

During your vacation to Yellowstone National Park, be sure to set aside a day to explore and enjoy the Grand Prismatic Spring. This natural hot spring is the largest in the United States and one of the three largest hot springs on the planet.

Located in the Midway Geyser Basin, the Grand Prismatic Spring is roughly 300 feet in diameter with water at a blistering-hot 160 degrees Fahrenheit. This beautiful natural attraction in Yellowstone is known – and named – for its dazzling array of colors that change throughout the seasons. Come in the summer to see the warm orange and red tones that seem to match the hot weather, or stop by in winter to see the spring decked out in holiday green. No matter when you visit, the center of the pool sparkles in a deep azure blue, adding a dramatic contrast to the colors of the outer edges.

One of Yellowstone's most popular attractions, Grand Prismatic Spring can be explored in a variety of ways. Hike the trail to Fairy Falls for outstanding aerial views, or follow the 0.8-mile boardwalk loop, which also circles past Excelsior Geyser. If you're feeling adventurous, you can even take to the sky on a helicopter tour of Yellowstone for a stunning birds-eye view.

No matter how you see it, Grand Prismatic Spring is sure to be one of the highlights of your vacation to Yellowstone National Park!

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