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Yosemite Wilderness


Parts of Yosemite are designated as Wilderness, other parts are not.

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High Sierra Mammals Reference-Identification sticky icon

High Sierra Small Mammals Forum, Identification, and References 

 

 

References

Mammals, identification, Greg Lasley Photography.

Mammals of Yosemite National Park, (1952) by Harry C. Parker.

For more links about animal, plant, geology, and astronomy information for backpackers see the High Sierra Backpacking links page on the trail guide.

 

 

MAMMAL NEWS

 

 Last Update

 

2019

 

 August 1

HEALTH, FITNESS, & SKUNKS

Fungal Antidote for Skunk Spray Found

Fungal Compound Deodorizes Skunk Smell

 

 

 

March 27

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Half Dome Permit Policy Safety Analysis

REPOSTED FYI

 

MOUNTAIN SAFETY

Half Dome
From the Trail Guide
Liberty Cap in Shadows with Half Dome towering over Mount Broderick.
Liberty Cap in Shadows with Half Dome towering over Mount Broderick, Looking from just West of Nevada Falls, Guide, Map.

 

Half Dome Safety Analysis

Restricted permit-only access to Yosemite National Park's Half Dome summit, anticipated to improve hiker safety, did not,
Elsevier, June 26, 2019.

MAIN POINTS

2010 Half Dome Permit Restrictions
"Implementation in 2010 of permit-only access to Half Dome cable handrails along the final ascent of this iconic landmark reduced the number of people on the summit at one time, but this did not result in a significant reduction in the overall toll of associated human suffering and mortality, or search and rescue (SAR) activity and costs."

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Highway 120, Tioga Road Fully Opening July 1, 2019

 

TRANS-HIGH SIERRA ROADS

Tioga Road Opening July 1, 2019, Highway 120

Yosemite National Park Announces Tioga Road To Open to Unrestricted Vehicular Traffic on Monday, July 1,
Yosemite National Park, June 27, 2019.

 MAIN POINTS

Unrestricted Vehicular Traffic
“...unrestricted vehicular traffic on Monday, July 1st, at 8:00 a.m..”

Previously & Still Limited Traffic, Until July 1
Tioga Road Limited Opening June 21, 2019
"...open to all vehicles, including bicycles, from 10:00 am to 11:00 am and from 3:00 pm to 4:00 pm."

“From now until the full opening Monday morning, vehicular access will continue to be available from 10:00 a.m. to 11:00 a.m. and 3:00 p.m. to 4:00 p.m. There will continue to be no stopping along the road and no overnight parking.”

Backpackers-Bicycle Restrictions/Requirements in Force
From Previous Order

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Tioga Road Limited Opening June 21, 2019

 

HIGH SIERRA TRAIL NEWS: ROAD ACCESS

First Highway 120 Opening for 2019 Season

Yosemite National Park Announces Limited Access on Tioga Road Beginning on Friday, June 21, 2019,
Yosemite National Park, June 19, 2019.

MAIN POINTS

Limited Access
"...open to all vehicles, including bicycles, from 10:00 am to 11:00 am and from 3:00 pm to 4:00 pm."

No Parking
"...no visitor parking available at either end of the road closure."

Tuolumne Meadows Closed
"There are no visitor services available along Tioga Road. The Tuolumne Meadows Visitor Center, Wilderness Center, and the Tuolumne Meadows Campground remain closed."

"Opening dates for the 2019 season have not been determined."

CLOSED
"The road will remain closed outside of these times to allow for continued roadwork and snow clearing."

BIKES
"Cyclists traveling over Tioga Road will need to be prepared to cross over the full length of Tioga Road during daylight hours. Tioga Road is closed to overnight camping."

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Yosemite Announces Delayed Facility Openings, & Beware Snow-Covered Trails through July

MONSTER SNOW PACK of the WINTER of 2019

Seasonal News of Note
Yosemite Announces Delayed Facility Openings

Note the Snow will Affect High Trail Access, & Damages will Affect Trails Too

Yosemite National Park Announces Late Seasonal Openings for Several Park Facilities,
Yosemite National Park, March 13, 2019.

MAIN POINTS

Damaged Facilities
“...that there will be late seasonal openings to facilities throughout the park...due to the exceptionally heavy snowpack in Yosemite National Park and the subsequent extensive damage to many park facilities.”

Stormy Winter
“...significant storm systems in January and February produced high levels of snow, which resulted in temporary road closures, rock and debris slides, and falling trees. Additionally, these storms resulted in extensive damage to facilities throughout the park. Damage to facilities includes trees falling on and damaging campground restrooms, utilities systems compromised, tent cabins damaged or destroyed, and falling trees impacting campsites, parking areas, hiking trails, and roads.”

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Daily Lottery for Camp 4, Yosemite Valley

 

TRAILHEAD YOSEMITE VALLEY

The Rules Have Changed at Camp Four
The Rules of Camp Four, Yosmeite Valley, 2012.
The Rules Posted on Camp 4, Yosemite Valley's Backpacker (really climber) Camp, 2012.

 

Oh, My Aching City...in the Wilderness

Yosemite National Park Announces the Launch of a Pilot Daily Lottery for Camp 4 Campground,
Yosemite National Park, April 16, 2019.

MAIN POINTS

Lottery Reservations
“Yosemite National Park announces that a new pilot lottery program for Camp 4 Campground will launch on Tuesday, May 21, 2019.

Daily Lottery
“This daily lottery system will be operated through Recreation.gov and will help improve the visitor experience at Camp 4 Campground.”

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John Muir, the establishment of Yosemite Nation Park, and construction of the John Muir Trail.

History of John Muir, Yosemite, and the John Muir Trail

 

Two elements of the history of John Muir
on this page:

1> Exploration of Sierra Nevada and formation of Yosemite National Park

2> Father of the John Muir Trail, and the History of the Construction of the John Muir Trail

 

John Muir Trail on Tahoe to Whitney Trail Guide

 

 

A Brief History
John Muir's influence on  the establishment of Yosemite National Park.

From Green, Yosemite, Park and Resources.

 

Arrival of John Muir in California, page 299

March 1868

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Black Beetle, Evelyn Lake in Yosemite

High Sierra insect life

Black Beetle observed at Evelyn Lake during 2012.

 

Black beetle in Yosemite at Evelyn Lake.

 

Trail Guide citation

Map

 

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Hiker Feedback: Backpacking John Muir Trail from Ireland Creek to Donohue Pass

 Southbound John Muir Trail

This page contains links to the Maps, miles, images and information for backpackers hiking South on the John Muir Trail towards Reds Meadow. But the most important function of this page as the place for backpacker's feedback, experiences, comments, and questions about this segment of trail. Let's call this the place for "supplemental" information about this segment of trail.

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South from Tuolumne Meadows on the John Muir Trail past Rafferty to Ireland Creek

Southbound John Muir Trail

This page contains links to the Maps, miles, images and information for backpackers hiking South on the John Muir Trail towards Reds Meadow. But the most important function of this page as the place for backpacker's feedback, experiences, comments, and questions about this segment of trail.

How do you characterize this segment of trail, what would you do next time, what would you suggest?

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Little Red Spider on Moraine Ridge, Yosemite

Little Red Spider on Moraine Ridge, Yosemite

6960 feet near trail junction to Vernon Lake

Little red spider scurrying away across a great granite boulder.
Little red spider scurrying away across a great granite boulder.

A closer look at the little red spider.
A closer look at little red.

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Lizard, Jack Main Canyon, Yosemite

Lizard, Jack Main Canyon, Yosemite

Lizard sunning and observing me as I hike down through Lower Jack Main Canyon.
Observed Friday June 30, 2013

7740 feet of elevation in Jack Main Canyon below Wilmer Lake

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Checkerspot Butterfly in Jack Main Canyon, Backpacking Yosemite, Euphydras chalcedona?

Butterfly in Jack Main Canyon, Yosemite

Euphydras chalcedona? 
Orange Red, White, Checker Wing colors with distinctive Black Trim

Butterfly and bud the size of a tree to the tiny creature.

Observed Friday June 30, 2013

7720 feet of elevation in Jack Main Canyon below Wilmer Lake

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Lower Jack Main Canyon backpacking to Hetch Hetchy

Hiking
Lower
Jack Main Canyon
Backpacking to Hetch Hetchy from Wilmer Lake

Important Information

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Tuolumne Meadows Store and Grill Staff & Managers in their Natural Habitat: The Twilight Lounge

Tuolumne Meadows Store & Grill and their Amazing Staffs

The quality of the store and grill at Tuolumne Meadows are the products of a fantastic staff well led, directed and motivated. There is something about the quality of the surroundings that draws quality folks over long periods of time.

The Store, Post Office, and Grill at Tuolumne Meadows.

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Tuolumne Meadows Employee Housing, markskor watercolor

Tuolumne Meadows Employee Housing,
markskor watercolor

Tuolumne Meadows Employee Housing, MarcSkor Watercolor.

Colors remind me of the impressionist artist, Gauguin, but focused into clarity as used by Pissarro.

Many thanks to Ansel for sharing his amazing perspective in so many ways.

Markskor on
HIGH SIERRA TOPIX

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Markskor's View of Tuolumne Meadows Facilities in Operation

Markskor's View of Tuolumne Meadows Facilities in Operation

A typical day at Tuolumne Meadows in Yosemite, a MarcSkor Watercolor.

 Markskor's View of Tuolumne Meadows Facilities in Operation;

Tuolumne Meadows Store, Post Office, and Grill all reside under the big top tent.

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Markskor's Yosemite Pencil: Royal Arches & Royal Arches Cascade Waterfall in Fall

Markskor's Yosemite Pencil: 
  Royal Arches & Royal Arches Cascade Waterfall

  Royal Arches & Royal Arches Cascade Waterfall in Fall

Markskor's Yosemite Pencil: Royal Arches & Royal Arches Cascade Waterfall in Fall?

Royal Arches on Backpacking Map of Yosemite Valley

 

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Markskor Yosemite Watercolor: Royal Arches & Royal Arches Cascade Waterfall in Fall

Markskor Yosemite Watercolor: Royal Arches Cascade Waterfall in Fall

 Arch 

Sweet.

I enjoy the subtle colors, transitions and shapes all indicative of the feelings of Fall Ansel has captured in this view.

Royal Arches on Wikipedia

Markskor on
HIGH SIERRA TOPIX

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