– Madison – Old Faithful – Lake – West Thumb Geyser Basin – Grant Village – Canyon – Norris
The one must-stop location is Grand Prismatic Spring. It’s a huge oval pool surrounded by unusually colorful bands of algae and travertine terraces, with wavy run off channels.
No Yellowstone vacation would be complete without a trip to Old Faithful, one of almost 500 geysers in the park, and one of six that park rangers can currently predict.
Two circular boardwalk trails totaling 0.75 miles pass by colorful hot pools and springs, steam vents and mud pots at West Thumb.