9 Mile Hike to Fairy Falls and a visit to the Grand Prismatic Spring. It was HOT!

Yesterday was a 9 mile hike round trip from Fountain Flat Drive up to the Fairy Falls and the back side of the Grand Prismatic Spring. The Grand Prismatic is a very large ultra hot water cauldron that is a beautiful blue green, steamy, source that flows into the Fire Hole river. Amazing to be so close to boiling water heated by magma just below the service of the earth. Yellowstone is basically a VERY large volcano that last erupted some 640,000 years ago. The caldera of the volcano covers over 40 miles of the park thus providing the thermals, geysers, and hot springs.

After our hike we stopped and soaked some tired feet and knees in the Fire Hole River and had a shaded lunch in the cool breeze.