Tags: Mountain Range.
The Sublett Range is a mountain range in the U.S. states of Idaho (~94%) and Utah (~6%) spanning Cassia Oneida and Power counties Idaho and reaching into Box Elder County Utah. The Phosphoria Formation reaches its greatest thickness beneath the mountains.The highest point in the range is known as the Sublett Range High Point at 7492 feet (2284 m) and the range is a part of the Basin and Range Province.