Aspen groves produce spectacular fall colors high on Boulder Mountain along the east side of the Aquarius Plateau. Large, rounded boulders eroded from Tertiary-age lava flows give Boulder Mountain its name. Boulder Mountain, Garfield County, Utah. Photographer: Elizabeth Firmage; © 2015

Aspen groves produce spectacular fall colors high on Boulder Mountain along the east side of the Aquarius Plateau. Large, rounded boulders eroded from Tertiary-age lava flows give Boulder Mountain its name.
Boulder Mountain, Garfield County, Utah Photographer: Elizabeth Firmage; © 2015

January 26, 2016

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Aspen groves produce spectacular fall colors high on Boulder Mountain along the east side of the Aquarius Plateau. Large, rounded boulders eroded from Tertiary-age lava flows give Boulder Mountain its name. Boulder Mountain, Garfield County, Utah. Photographer: Elizabeth Firmage; © 2015

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