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Canyonlands National Park - Mountains

Home > Canyonlands > Park Info > Nature and Science > Mountains

Southeast Utah Mountains A feature common to the landscape of the Colorado Plateau is the Island Mountain Range , represented in southeast Utah by the Abajos, Henrys and La Sals. These ranges formed during the late Tertiary Period (15 to 40 million years ago), long after the local sandstones had been deposited and cemented into rock.

Commonly called Laccolithic Intrusions , these mountains were created when molten rock flowed up from the earth"s mantle, causing the overlying sandstones to bow up. These flows never erupted, however, and only after millions of years of erosion have the igneous rocks within them been exposed..

Sedimentary rocks can still be found on top of some the peaks today.

::Highlights

∙ Island in the Sky

∙ The Maze District

∙ The Needles

::Lodging

::Maps

::Park Info

∙ Geology

- Green River Formation

- Burro Canyon

∙ Plants and Wildlife

∙ Nature and Science

- Natural Features

- Pools

- Rivers

- Night Sky Team

- Soils

- Environmental Factors

- Crust

- Air Quality

- Disturbed Lands

- Night Sky

- Nonnative Species

- Noise

- Endangered Fish

- Mountains

::Planning

∙ Fees

∙ Plan Your Visit

∙ Camping

∙ Climate

∙ Activities

∙ Contacts

::Books

::Photo Gallery

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Canyonlands National Park - Mountains