Welcome to the High Sierra Backpacker's Magazine, including forums for local and long-distance hikers sharing info about hiking the Sierra between Tahoe and Whitney.

This Magazine covers everything Sierra. Its
Forums cover TYT, PCT, & JMT and alt-route hiker input from the Guide. The Tahoe to Whitney Trail Guide explores the trails  & the necessary skills, fitness, and gear required to hike from Tahoe to Whitney. This evolving Magazine covers Current Conditions, News, the Arts, Sciences, Physicality, Spirituality, Gear, Environment, History, and Cultures of hiking Tahoe to Whitney. 

Purposes: Expand Knowledge, Explore Potential

for Beginners: To get you off the couch, gear you up, get you into Sierra Shape, and onto the High Sierra Trails. Find info. Ask questions, get feedback, generate self-understanding and terrain awareness. Find killer short routes up and down the High Sierra Crest.

for Backpackers: Get you in deeper, longer, and higher. Train for the long trails. Find your next-steps trips. Hit the Long Trails. Hike the TYT and JMT. Find and explore side trails, alternative, and cross-country routes until you hike your skills into Winter compentency. Explore your potential.

for Experts: The information to come from anywhere in the US or world and backpack from Tahoe to Whitney. The Sierra Nevada is the ultimate wonderland for expert backpackers in top shape. But don't get cocky! The Sierra is bigger, stronger, and has been, and will be here much longer than any of us.  

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Carbon Calculations Wrong? More CO2 into Oceans than Previously Predicted?



Eco-Crash News

Carbon Calculations Wrong?

More CO2 into Oceans than Previously Predicted?

Ocean's heat cycle shows that atmospheric carbon may be headed elsewhere,
Princeton University, June 19, 2018.

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HEALTH & FITNESS NEWS: BPA Affects Communications for Generations




BPA Affects "Communications" for Generations

BPA can induce multigenerational effects on ability to communicate,
University of Missouri-Columbia, June 18, 2018.

"...how long-term effects of BPA exposure in grandmothers and grandfathers might affect offspring communication ability."

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Bees Love the Blues




Bees Love the Blues

Bee Light

Petals produce a 'blue halo' that helps bees find flowers,


The Latest Buzz: Bee News

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HEALTH & FITNESS, June 2018: East Sierra Hantavirus Warning




East Sierra Warning

Warning to be hantavirus aware,
Sierra Wave, June 18, 2018.


Mono Health


Yosemite Hantavirus Information





West Nile Disease will be rising with the mosquito populations of Spring. This fact behooves us to be well and properly prepped for the early-season mosquito ordeal.


DEET FAILING & West Nile Information

Mosquito News

Mosquito Defenses: Living in & with the Enemy



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MOUNTAIN SAFETY, June 2018, Day Hiker Lost in Desolation


Day Hiker Lost in Desolation

Lost hiker rescued in Desolation Wilderness shows importance of being prepared,
Sierra Sun, June 14, 2018.


The Problem
"Erin Perkins, 37, was hiking the Rocky Canyon Trail on Monday, June 4 when she lost track of the trail and could not find her way back."

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Mountain Safety, June 2018, tragic accident Middle Kaweah




Tragic Accident on Middle Kaweah

Father drowns after saving his daughter,
Kaweah Commonwealth, June 15, 2018.


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ECO-CRASHING NEWS, 2018: Scope, Depth, & Future of Global Warming Explored




Scope, Depth, & Future of Global Warming Explored

What happened last time it was as warm as it’s going to get later this century?
Ars Technica, June 18, 2018.


"Like the Middle Miocene"

"The year 2100 stands like a line of checkered flags at the climate change finish line, as if all our goals expire then."

"...the climate won’t stop changing in 2100. Even if we succeed in limiting warming this century to 2ºC, we’ll have CO2 at around 500 parts per million. That’s a level not seen on this planet since the Middle Miocene, 16 million years ago, when our ancestors were apes. Temperatures then were about 5 to 8ºC warmer not 2º, and sea levels were some 40 meters (130 feet) or more higher, not the 1.5 feet (half a meter) anticipated at the end of this century by the 2013 IPCC report."

Why the Difference between Models and Past Realities?



"Earth takes time to respond to changes in greenhouse gases. Some changes happen within years, while others take generations to reach a new equilibrium. Ice sheets melting, permafrost thawing, deep ocean warming, peat formation, and reorganizations of vegetation take centuries to millennia."


We've Unleashed a MONSTER...

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Hansen Reviewed, 2018: The Planet has Drastically Warmed: And, It's Just Getting Started




The Planet has Drastically Warmed

And, It's Just Getting Started...

Warned 30 years ago, global warming ‘is in our living room,’
AP, June 18, 2018.

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ARIDIFICATION OF THE SW: Colorado River, Lakes Mead & Powell to Be Below 50%



Growing into the Jaws of Doom

Colorado River, Lakes Mead & Powell below 50%

Colorado River Reservoirs Expected To Be Less Than Half Full, Headed Toward Historic Low, KUNC, June 15, 2018.



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Eco-Crash News, Birds: Rising Sea Temps Threaten Juvenile Albatross



Eco-Crash News: Birds

Multiplex of Environmental Factors Failing

Rising sea temperatures threaten survival of juvenile albatross,
British Ecological Society, June 18, 2018.


The Black-Browed Albatross

"Climate affects this seabird species in complex ways."

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New Quake Mechanism ID'd in CA: "Slow" Earthquakes Change San Andreas Risks




New Earthquake Mechanism ID'd in CA

'Slow earthquakes' on San Andreas Fault increase risk of large quakes, say ASU scientists,
Arizona State University, June 18, 2018.




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Climate Crash News: Status of East Antarctic Ice



Climate Crash News

Status of Antarctic Ice

Will E Ant Melt? Will Humans Exceed Pliocene CO2? Stay Tuned?

Land-based portion of massive East Antarctic ice sheet retreated little during past 8 million years,
National Science Foundation, June 15, 2018.

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Dept of Flying Spiders: The Complex Webs Nature Weaves




Dept of Flying Spiders

The Complex Webs Nature Weaves

Flying spiders sense meteorological conditions, use nanoscale fibers to float on the wind,
PLOS, June 14, 2018.


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ASTROPHYSICS NEWS: Fireworks as Black Hole Eats a Star




Celestial Fireworks

Astronomers see distant eruption as black hole destroys star,
National Radio Astronomy Observatory, June 14, 2018.


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Galactic Evolution: How the Milky Way Galaxy Came to Be




How the Milky Way Came to Be

Galactic Evolution

New GAIA data reveals mergers in Milky Way,
University of Groningen, June 12, 2018.

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YOSEMITE NATIONAL PARK: Mariposa Grove Restoration Complete




Mariposa Grove Restoration Complete

From parking lot to giant sequoia grove. Yosemite transformation finally complete,
Fresno Bee, June 13, 2018.

"...three-year restoration project in the Mariposa Grove of Giant Sequoias."

"...around 500 mature giant sequoias and is the largest and best-known of Yosemite's three sequoia groves."

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The End of Tahoe as We Know It: Water Clarity in Steady Decline



Ending an Era: Watching the Transformation of The Sierra and Lake Tahoe

Tahoe Clarity at Lowest Ever

Lake Tahoe clarity decreased 9.5 feet in 2017,
Tahoe Daily Tribune, June 13, 2018.


"The numbers from the UC Davis Tahoe Environmental Research Center follow a 3.9-foot decrease in average annual clarity in 2016. The decrease in 2017 dropped the average annual clarity level to 59.7 feet."

"...the measurement plummeted past the previous lowest recorded average of 64.1 feet, which was recorded in 1997..."


Average "Modern" Clarity 70 Feet

"The five-year average lake clarity is approximately 70 feet."


Age of Extremes

"In 2017, Lake Tahoe's low clarity was primarily the result of two extreme climatic and hydrologic events ...the combination of arguably the most extreme drought period ending with the most extreme precipitation year produced the low clarity values seen."

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High Sierra Spring of 2018

High Sierra Spring of 2018
Evolution of Conditions

Page Started
March 20, 2018

 Winter 2017
Setting the Scene for the Spring of 2018



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