You are here

Home » Mirror Lake Loop Trail In Yosemite National Park Open Again To Hikers
Share

Mirror Lake Loop Trail In Yosemite National Park Open Again To Hikers

Published Date

October 23, 2012

The Mirror Lake Loop Trail in the Yosemite Valley has been reopened, three years after a massive rockfall forced its closure. NPS photo.

A popular loop trail in the Yosemite Valley has been reopened to the public after being closed for more than three years due to a large rockfall, according to Yosemite National Park officials.

The 5-mile-long Mirror Lake Loop Trail opened late last week. Located on the east end of the valley, the trail follows Tenaya Creek around Mirror Lake. It was closed back in March 2009 due to a large rockfall from Ahwiyah Point near Half Dome.

Yosemite Trail Crews basically built a new trail on the edge of the talus slope near Tenaya Creek. Work consisted of removing trees and rock to realign the trail. Several blasting operations have occurred over the past several weeks in order to remove large pieces of granite from the trail corridor and create new material for retaining walls and trail construction.

Rocks fell approximately 1,800 feet to the floor of Yosemite Valley from Ahwiyah Point, knocking down hundreds of trees and burying hundreds of feet of the trail on the southern portion of the loop. The impact of the rocks hitting the ground generated a magnitude 2.4 earthquake. The rockfall, which didn't hit any structures or injure anyone, was estimated to be approximately 43,000 cubic meters, or 115,000 tons. The Ahwiyah Point rockfall is the largest documented in Yosemite National Park since the Middle Brother rockfall event in 1987.

Due to its steep, glacier-carved cliffs, Yosemite Valley experiences many rockfalls each year.

Story Categories:

Support National Parks Traveler

Your support for the National Parks Traveler comes at a time when news organizations are finding it hard, if not impossible, to stay in business. Traveler's work is vital. For nearly two decades we've provided essential coverage of national parks and protected areas. With the Trump administration’s determination to downsize the federal government, and Interior Secretary Doug Burgum’s approach to public lands focused on energy exploration, it’s clear the Traveler will have much to cover in the months and years ahead. We know of no other news organization that provides such broad coverage of national parks and protected areas on a daily basis. Your support is greatly appreciated.

 

EIN: 26-2378789

Support Essential Coverage of Essential Places

A copy of National Parks Traveler's financial statements may be obtained by sending a stamped, self-addressed envelope to: National Parks Traveler, P.O. Box 980452, Park City, Utah 84098. National Parks Traveler was formed in the state of Utah for the purpose of informing and educating about national parks and protected areas.

Residents of the following states may obtain a copy of our financial and additional information as stated below:

  • Florida: A COPY OF THE OFFICIAL REGISTRATION AND FINANCIAL INFORMATION FOR NATIONAL PARKS TRAVELER, (REGISTRATION NO. CH 51659), MAY BE OBTAINED FROM THE DIVISION OF CONSUMER SERVICES BY CALLING 800-435-7352 OR VISITING THEIR WEBSITE. REGISTRATION DOES NOT IMPLY ENDORSEMENT, APPROVAL, OR RECOMMENDATION BY THE STATE.
  • Georgia: A full and fair description of the programs and financial statement summary of National Parks Traveler is available upon request at the office and phone number indicated above.
  • Maryland: Documents and information submitted under the Maryland Solicitations Act are also available, for the cost of postage and copies, from the Secretary of State, State House, Annapolis, MD 21401 (410-974-5534).
  • North Carolina: Financial information about this organization and a copy of its license are available from the State Solicitation Licensing Branch at 888-830-4989 or 919-807-2214. The license is not an endorsement by the State.
  • Pennsylvania: The official registration and financial information of National Parks Traveler may be obtained from the Pennsylvania Department of State by calling 800-732-0999. Registration does not imply endorsement.
  • Virginia: Financial statements are available from the Virginia Department of Agriculture and Consumer Services, 102 Governor Street, Richmond, Virginia 23219.
  • Washington: National Parks Traveler is registered with Washington State’s Charities Program as required by law and additional information is available by calling 800-332-4483 or visiting www.sos.wa.gov/charities, or on file at Charities Division, Office of the Secretary of State, State of Washington, Olympia, WA 98504.

Donate Popup

The National Parks Traveler keeps you informed on how politics impact national parks and protected areas.

Support Our Mission

INN Member

The easiest way to explore RV-friendly National Park campgrounds.

The Essential RVing Guide to the National Parks

Here’s the definitive guide to National Park System campgrounds where RVers can park their rigs.

Our app is packed with RVing- specific details on more than 250 campgrounds in more than 70 national parks.

You’ll also find stories about RVing in the parks, tips helpful if you’ve just recently become an RVer, and useful planning suggestions.

The Essential RVing Guide to the National Parks

FREE for iPhones and Android phones.