The lovely couple we met over breakfast in Gardiner gave us some good advice. They said they had been coming here for 20 years but only just found the hike above the Grand Prismatic Spring, and they said that was even more stunning than walking up to it on the boardwalk. They were right!

The Grand Prismatic Spring is a stunningly beautiful multicoloured spring in Yellowstone National Park. the lovely colours are caused by a combination of minerals and thermophilic bacteria (bacteria that like heat) so at different temperatures attract different types of bacteria.
We “hiked” (aka. walked) up from the Fairy Falls trailhead to the hill at the back of the Grand Prismatic Spring. It wasn’t the easiest of hikes; at one point the people in front started walking back towards us, and we realised a bison was on the path coming towards us! Continue reading →