
Midway Geyser Basin - Grand Prismatic Spring
Midway Geyser Basin, although a part of Lower Geyser Basin, gets its name because of its isolated location, midway between Lower and Upper Geyser Basins. Of all groups of geysers and hot springs in Midway Basin, Excelsior Group is the most popular destination. It features two of the worlds largest hot springs, Grand Prismatic Spring and Excelsior Geyser. Grand Prismatic Springs The Excelsior Group of Midway Geyser Basin is accessible by a short loop boardwalk trail. The trail