The predominant naturally-occurring vegetation on the Monument is composed of the sagebrush steppe plant communities once common to much of the intermountain region of southern Idaho.
Livestock grazing prior to establishment of the Monument in 1988 also undoubtedly contributed to alteration of soils, loss of native grasses, and establishment of non-native plant species.
Did You Know?
The Snake River Overlook, a wheelchair accessible viewing platform, allows a view of bluffs about 600 feet high. They consist of strata, or layers of sediments (sands, silts, and clays) deposited by the flooding of rivers flowing into ancient Lake Idaho more than three million years ago.