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Gate of Death and Devil's Gate were names given to this area during
the Oregon Trail period. These names referred to a narrow break
in the rocks through which the trail passed. Emigrants apparently
feared that Indians might be waiting in ambush. Diaries record a
series of skirmishes between the Shoshone Indians and emigrants
on August 9 and 10, 1862. Ten emigrants died in the fight, which
involved four wagon trains. The skirmishes took place east of the
park and not at Devils Gate as commonly believed. Some confrontations
may have occurred there, but they remain unverified.
Oregon Trail remnants are most easily seen from highway rest areas
in either end of the park.
Register Rock
Oregon Trail pioneers used this area as a rest stop for years.
Today we invite horse owners to water and rest their animals in
the corral at Register Rock. Many emigrant names are inscribed on
the large rock, which is now protected by a weather shelter. A scenic
picnic area surrounds the rock, creating a desert oasis for the
modern traveler. The site also includes a horse rest area for highway
travelers.
Geology
The park is rich in geological history. Volcanic evidence is everywhere.
The Devil's Gate Pass is all that remains of an extinct volcano.
The prehistoric Bonneville Flood shaped the landscape of the area,
rolling and polishing the huge boulders found throughout the park.
The flood was caused when eroding waters broke through Red Rock
Pass near the Idaho/Utah border. Lake Bonneville, which covered
much of what is today the state of Utah, surged through the pass
and along the channel of the Snake River in a few short months.
For a time, the flow was four times that of the Amazon River. It
was the second largest flood in the geologic history of the world.
Plants and Animals
Massacre Rocks State Park is a favorite for birdwatchers. Over
200 species of birds have been sighted in the park. Canada geese,
grebes, bald eagles, pelicans and blue herons are often seen. Mammals
include the cottontail, jack rabbit, coyote, muskrat and beaver.
The desert environment produces about 300 species of plants in the
park. The most common are sagebrush, Utah juniper and rabbit brush.
For More Information:
(Source: The Idaho Department of Parks and
Recreation)
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