description Bentonite Hills Overview
The Bentonite Hills are rounded, banded badlands in south-central Utah, particularly associated with the landscape east of Capitol Reef National Park. Their muted blue, green, gray, red, and purple tones come from mineral-bearing bentonite and related clay-rich layers derived partly from altered volcanic ash. Because the clay becomes sticky and easily damaged when wet, visitors generally view or cross the terrain only under dry conditions.
help Bentonite Hills FAQ
Where are the Bentonite Hills located in Utah?
The Bentonite Hills are located in south-central Utah, particularly in the landscape east of Capitol Reef National Park in Wayne County. They are visible in the remote desert terrain around the Factory Butte area.
What causes the colorful bands in the Bentonite Hills?
The muted blue, green, gray, red, and purple tones come from mineral-bearing bentonite and related clay-rich layers. These clays are derived partly from ancient volcanic ash deposits laid down in prehistoric geological periods.
Can you drive to the Bentonite Hills near Capitol Reef?
The Bentonite Hills can be accessed via unpaved roads east of Capitol Reef National Park, though conditions vary significantly depending on weather. The bentonite clay becomes extremely slick and impassable when wet, so dry conditions are essential.
What type of geological formation are the Bentonite Hills?
The Bentonite Hills are classified as badlands — rounded, banded formations composed of soft clay-rich sediment. The bentonite clay that gives them their name is known for expanding dramatically when wet, making the terrain unstable in rainy conditions.
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