By
updated 8/9/2011 7:04:51 PM ET 2011-08-09T23:04:51

Since an avalanche of boulders smashed part of Yosemite National Park's Curry Village in 2008 and sent school children running for their lives, the historic wooden cabins have been frozen in time behind a temporary barricade.

  1. Don't miss these Travel stories
    1. Lords of the gourd compete for Punkin Chunkin honors

      With teams using more than 100 unique apparatuses to launch globular projectiles a half-mile or more, the 27th annual World Championship Punkin Chunkin event is our pick as November’s Weird Festival of the Month.

    2. Airports, airlines work hard to return your lost items
    3. Expert: Tourist hordes threaten Sistine Chapel's art
    4. MGM Grand wants Las Vegas guests to Stay Well
    5. Report: Airlines collecting $36.1B in fees this year

Now park officials are seeking permission to remove the century-old lodging and a few other historic homes to keep visitors from trespassing to view the structures, which are slowly deteriorating because of the elements, vandals and nesting animals.

"It's become an attractive nuisance," said park spokesman Scott Gediman. "If there's a fence there and some reason to go over there they will."

Story: Where are the people of color in national parks?

An environmental assessment released Tuesday calls the area a "major risk to public health and safety for visitors, as well as park employees who patrol the site."

The environmental review of 72 buildings in an area below the sheer granite face of Glacier Point recommends removing the cabins, salvaging the materials and allowing the area to return to its natural state.

Other options under review include keeping some of the most historic structures maintained and in place until they can be moved elsewhere, or keeping just those that represent different architectural styles. Both plans would still expose park employees to danger.

Moving the oldest cabins to other locations raises other issues by creating landscapes that are historically inaccurate, Gediman said.

Slideshow: America's national parks (on this page)

What to do with this large chunk of the popular Yosemite lodging area has been an issue since October 2008, when the equivalent of 570 dump-truck loads of rock hit 17 cabins where youngsters on a field trip were staying. Nobody was seriously injured, but it was the second rock avalanche of that year, and a reminder that the beautiful Yosemite is still a wild and sometimes dangerous place.

An Associated Press investigation found subsequently that park officials had known about the potential danger for years. Park officials eventually declared one-third of the popular family campground beneath Glacier Point a "rockfall hazard zone" and fenced it off.

Since 2008 the rows of charming 1920s-era wooden cabins nestled amid boulders, incense cedar and black oak have been awaiting their fate as prescribed by the National Historic Preservation Act.

What's behind all the deaths at Yosemite?

The public can weigh in on the environmental assessment report through Sept. 9.

Rockfall is the single biggest natural phenomenon shaping Yosemite's dramatic, glacier-carved granite walls such as the iconic El Capitan and Half Dome.

Since 1999, 20 of the structures at Curry Village have been directly hit by boulders, and many more have been damaged by flying rocks. In August 2009 more than 300 guests at the park's majestic Ahwahnee Hotel were evacuated after tumbling boulders from the 1,600-foot Royal Arches formation landed in the parking lot. Dust from the avalanche temporarily obscured views of Half Dome.

Since 1857, at least 535 rockfalls in Yosemite Valley have killed 14 people and injured 62, more than at any other national park. Yosemite Valley is easily the most collapse-prone place in a park that receives over 4 million visitors a year.

Determining the future of the section of Curry Village that is in the rockfall zone has been tedious compared with the loss of nearly 300 tent cabins during the floods of 1997. Those cabins were not considered historic, so park officials demolished them.

Copyright 2011 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

Photos: America's national parks

loading photos...
  1. Acadia

    Acadia National Park in Maine boasts the highest mountain on the U.S. Atlantic Coast and was the first national park east of the Mississippi River. Visitors beware: temperatures can vary 40 degrees -- from 45 degrees to 85 degrees in the summer and from 30 degrees to 70 degrees in the spring and fall. (Gareth Mccormack / Lonely Planet Images) Back to slideshow navigation
  2. Rocky Mountain

    Bear Lake, with mountainside aspens changing colors in mid-autumn, is one of the popular attractions in Rocky Mountain National Park in Colorado. (Universal Images Group via Getty Images) Back to slideshow navigation
  3. Badlands

    The climate in South Dakota's Badlands National Park is extreme. Temperatures range from minus 40 degrees in the dead of winter to 116 degrees in the height of summer. Visitors are drawn to the park's rugged beauty as well as the area's rich fossil beds. (Mark Newman / Lonely Planet Images) Back to slideshow navigation
  4. Yosemite

    One of the nation's first wilderness parks, Yosemite is known for its waterfalls, scenic valleys, meadows and giant sequoias. (Robert Galbraith / Reuters) Back to slideshow navigation
  5. North Cascades National Park

    The North Cascades National Park complex offers something for everyone: Monstrous peaks, deep valleys, hundreds of glaciers and phenominal waterfalls. The complex includes the park, Ross Lake and Lake Chelan National Recreation Areas. (David Mcnew / Getty Images) Back to slideshow navigation
  6. Zion

    This spectacular corner of southern Utah is a masterpiece of towering cliffs, deep red canyons, mesas, buttes and massive monoliths. (Mark Ralston / AFP - Getty Images) Back to slideshow navigation
  7. Redwood

    Created in 1968, Redwood National Park is located in Northern California. Today, visitors to the national park can enjoy the massive trees as well as an array of wildlife. (David Gotisha / msnbc.com) Back to slideshow navigation
  8. Joshua Tree

    Joshua Tree National Park is located in southeast California. The area was made a national monument in 1936 and a national park in 1994. Outdoor enthusiasts can go hiking, mountain biking and rock climbing. (Gabriel Bouys / AFP - Getty Images) Back to slideshow navigation
  9. Great Smoky Mountains

    Straddling the Tennessee-North Carolina border, Great Smoky Mountains National Park encompasses more than 800 square miles in the southern Appalachian Mountains. Visitors can expect mild winters and hot, humid summers, though temperatures can differ drastically as the park's elevation ranges from 800 feet to more than 6,600 feet. (AP) Back to slideshow navigation
  10. Arches

    More than 2,000 natural sandstone arches, many of them recognizable worldwide, are preserved in Utah's Arches National Park. Temperatures can reach triple digits in the summer and can drop to below freezing in the winter. (AP) Back to slideshow navigation
  11. Grand Teton

    The Snake River flows through Grand Teton National Park, and the jagged Teton Range rises above the sage-covered valley floor. Daytime temperatures during summer months are frequently in the 70s and 80s, and afternoon thunderstorms are common. (Anthony P. Bolante / Reuters) Back to slideshow navigation
  12. Haleakala

    Visitors watch the sun rise at 10,000 feet in Haleakala National Park in Maui, Hawaii. If weather permits, visitors at the top of the mountain can see three other Hawaiian islands. (The Washington Post via Getty Images) Back to slideshow navigation
  13. Grand Canyon

    Grand Canyon National Park is perhaps the most recognizable national park. Nearly 5 million visitors view the mile-deep gorge every year, formed in part by erosion from the Colorado River. The North and South rims are separated by a 10-mile-wide canyon. (Gabriel Bouys / AFP - Getty Images) Back to slideshow navigation
  14. Yellowstone

    Yellowstone National Park, America's first national park, was established in 1872. The park spans parts of Wyoming, Montana and Idaho. Grizzly bears, wolves, bison and elk live in the park. It is well known for Old Faithful and other geothermal features. (Mark Ralston / AFP - Getty Images) Back to slideshow navigation
  15. Mount Rainier

    Glaciers. Rainforests. Hiking trails. Mount Rainier National Park, located in Washington state, offers incredible scenery and a diverse ecology. The park aims to be carbon neutral by 2016. (National Park Service) Back to slideshow navigation
  16. Hawaii Volcanoes

    Two of the world's most active volcanoes can be found within Hawaii Volcanoes National Park. In 1980, the national park was designated an International Biosphere Reserve; in 1987, it was added as a World Heritage Site. (David Jordan / AP) Back to slideshow navigation
  17. Everglades

    Everglades National Park covers the nation's largest subtropical wilderness. It is also a World Heritage Site, an International Biosphere Reserve and a Wetland of International Importance. Visitors to the park can camp, boat, hike and find many other ways to enjoy the outdoors. (Joe Raedle / Getty Images) Back to slideshow navigation
  18. Glacier

    A view from atop the Grinnell Glacier Overlook trail in Glacier National Park. With more than 700 miles of trails the park is known for its glaciers, forests, alpine meadows and beautiful lakes. (Matt McKnight / Reuters) Back to slideshow navigation
  19. Bryce Canyon

    Located in southwestern Utah, Bryce Canyon National Park is known for its distinctive geological structures called "hoodoos." (Mark Ralston / AFP - Getty Images) Back to slideshow navigation
  20. Crater Lake

    The brilliant blue Crater Lake, located in southern Oregon, was formed when Mount Mazama, standing at 12,000 feet, collapsed 7,700 years ago after a massive eruption. Crater Lake is one of the world's deepest lakes at 1,943 feet. (David Gotisha / msnbc.com) Back to slideshow navigation
  21. Olympic

    Washington state's Olympic National Park offers visitors beaches on the Pacific Ocean, glacier-capped mountain peaks and everything in between. Keep the weather in mind when visiting, though, as roads and facilities can be affected by wind, rain and snow any time of year. (National Park Service) Back to slideshow navigation
  22. Sequoia and Kings Canyon

    A woman stands among a grove of a Giant Sequoia trees in Sequoia National Park in Central California. The trees, which are native to California's Sierra Nevada Mountains, are the world's largest by volume, reaching heights of 275 feet and a ground level girth of 109 feet. The oldest known Giant Sequoia based on its ring count is 3,500 years old. (Mark Ralston / AFP - Getty Images) Back to slideshow navigation
  23. Denali

    Alaska's Denali National Park spans 6 million acres and includes the 20,320-foot Mount McKinley, North America's tallest peak. Many park visitors try to catch a glimpse of the "big five" -- moose, caribou, Dall sheep, wolves and grizzly bear. (National Park Service) Back to slideshow navigation
  24. Kenai Fjords National Park

    The National Park Service considers the 8.2-mile round-trip on Harding Icefield Trail in Alaska's Kenai Fjords National Park to be strenuous, saying hikers gain about 1,000 feet of elevation with each mile. (National Park Service via AP) Back to slideshow navigation
  25. Death Valley

    California's Death Valley encompasses more than 3.3 million acres of desert wilderness. In 1849, a group of gold rush pioneers entered the Valley, thinking it was a shortcut to California. After barely surviving the trek across the area, they named the spot "Death Valley." In the 1880s, native peoples were pushed out by mining companies who sought the riches of gold, silver, and borax. (Gabriel Bouys / AFP - Getty Images) Back to slideshow navigation
  26. Wind Cave

    Bison graze in Wind Cave National Park in the southern Black Hills of South Dakota. Millions of bison were slaughtered by white hunters who pushed them to near-extinction by the late 1800s. Recovery programs have brought the bison numbers up to nearly 250,000. (David McNew / Getty Images) Back to slideshow navigation
  27. Canyonlands

    The Lower Basins Zone is outlined by the white rim edge as seen from the White Rim Trail in Canyonlands National Park, Utah. (Doug Pensinger / Getty Images) Back to slideshow navigation
  28. Shenandoah

    Fall colors blanket the Shenandoah National Park, drawing tourists to Skyline Drive to view the scenery. (Karen Bleier / AFP - Getty Images) Back to slideshow navigation
  1. Editor's note:
    This image contains graphic content that some viewers may find disturbing.

    Click to view the image, or use the buttons above to navigate away.

  2. Editor's note:
    This image contains graphic content that some viewers may find disturbing.

    Click to view the image, or use the buttons above to navigate away.

  3. Editor's note:
    This image contains graphic content that some viewers may find disturbing.

    Click to view the image, or use the buttons above to navigate away.

  4. Editor's note:
    This image contains graphic content that some viewers may find disturbing.

    Click to view the image, or use the buttons above to navigate away.

Discuss:

Discussion comments

,

Most active discussions

  1. votes comments
  2. votes comments
  3. votes comments
  4. votes comments