Twin Sisters City Of Rocks
by Robert Bales
Title
Twin Sisters City Of Rocks
Artist
Robert Bales
Medium
Photograph - Photo
Description
Twin Sisters are two pillars of basalt that jut from the cliffs along Wallula Gap overlooking the Columbia River. Geologists say the rock formation is the result of erosion from a great flood near the end of the last Ice Age, about 12,000 to 15,000 years ago.
The City of Rocks National Reserve, also known as the Silent City of Rocks, is a United States National Reserve and state park lying 2 miles (3.2 km) north of the south central Idaho border with Utah. It is widely known for its excellent rock climbing and rock formations.
The rock spires in the City of Rocks and adjacent Castle Rocks State Park are largely composed of granitic rock of the Oligocene Almo pluton and Archean Green Creek Complex.
The City of Rocks is a popular rock climbing area, with over 1,000 traditional and bolt-protected routes. In the 1980s, it was home to some of the most difficult routes in the USA, mostly developed by Idaho climber Tony Yaniro. Climbers in the region refer to the area as simply 'The City'.
California Trail wagon trains of the 1840s and 1850s left the Raft River valley and traveled through the area and over Granite Pass into Nevada. Names or initials of emigrants written in axle grease are still visible on Register Rock. Ruts from wagon wheels also can be seen in some of the rocks.
From Wikipedia, the free encyclopedia
Uploaded
July 9th, 2018
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Viewed 389 Times - Last Visitor from Ottawa, ON - Canada on 03/27/2024 at 2:49 PM
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Comments (5)
Mary Machare
Fabulous capture of this magnificent rock formation! LF fb
Robert Bales replied:
Thanks Mary for the nice comments and their were many nice rock formations!! Thanks for the LFFB!!
Carol Groenen
Very interesting landscape. You've captured it beautifully, Robert!
Robert Bales replied:
it sure is and thanks for the nice comment!! it was a landmark for the early travels!!