To view the formations, visitors can walk along the Mammoth Hot Springs' maze of platforms that pass several of the terraces. The wooden boardwalks feature lots of stairs as they climb each ...

It is the only area of the park that remains open for the entire year. Mammoth Hot Springs is broken into Lower Terraces, Main Terrace, and Upper Terraces. There is an amazing boardwalk system ...

When producers of the first Star Trek movie needed a surreal backdrop to represent the fictional planet Vulcan, they chose travertine terraces near these at Mammoth Hot Springs, close to park ...