Yosemite:
Having
entered the Park from the south and stopping briefly to wander among a number
of faithfully restored and relocated historic buildings at Wawona, we embark
upon a challenging 23 kilometre drive to Glacier Point. This vantage point,
almost 1000 metres above the valley floor, provides a commanding panoramic view
of Yosemite Village, the Merced River and its waterfalls, the massive Half Dome
and even taller surrounding granite peaks stretching away to the horizon.
While so very
different in many ways, the Grand Canyon and Yosemite share one thing in common
and that is their breathtaking scale and the sense of wonder and amazement that
they evoke. We have stood beside a number of people who, like us, are
witnessing either one for the first time and their reaction is pretty much the
same – a few moments of wide-eyed silence followed by a deep breath and a
“WOW!” (or the equivalent in a host of other languages).
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Theodore Roosevelt, “The Conservation
President”, must surely have thought so too when introduced to the valley by
Muir, for he returned home to guide its proclamation as a National Park through
Congress
In 1868 the
Yosemite handbook declared ‘the summit of
Half Dome will never be trodden by
human foot’. This, of course, was seen by rock-climbers as an irresistible
challenge and, only seven years later, the first ascent was completed by George
Anderson. Since then the sheer granite cliffs of Yosemite such as Half Dome and
the sheer 1090 metre walls of El Capitan have attracted the world’s best
climbers and transported the sport of climbing into a new realm. Each day we
were able, with the aid of binoculars, to see the ant-like figures of climbers
on multi-day ascents of both. However, for those lacking the skill (or perhaps
the courage) of these climbers it is now possible for adventurous walkers to
ascend Half Dome with the assistance of fixed cables.
Just above Vernal falls is Emerald Pool where the river pauses for
a moment before plunging over the edge. Signs here warn visitors not to enter
the water but unfortunately not all take heed and a number have been swept to
their deaths across the glacier polished granite and over the precipice.
We walk to
Mirror Lake which is fast becoming ‘Mirror Meadow’. In late winter and early
spring a shallow lake still forms which apparently affords beautiful
reflections of the surrounding peaks, including Half Dome. At this time of the year, however, it is very
much in meadow mode with broad expanses of river gravel and dry grasses with a
few small patches of green in the Tenaya Creek bed. We are left to reflect on what it must
have looked like in the 1870s when one could stay in an hotel by the lake and
enjoy not only the reflections but also boating. As time went on this required
the annual removal of increasing amounts of gravel - a practice that has since
been discontinued so that nature can continue its work.
A complete
change of scene takes us along the Tioga Road on a long climb to around 2500
metres and the High Sierra of Yosemite. Glacier sculpted and smoothed granite
domes, craggy peaks sufficiently tall to escape the ravages of the ice, spacious
alpine meadows, glacial lakes and trees growing out of seemingly solid rock
characterise this area.
Broad glaciated pavements liberally scattered with
“erratic” boulders left behind by the retreating ice extend down the Tenaya
Creek valley towards a distant Half Dome from Olmstead Point. Local wildlife
such as pikas, adapted to life in the high country’s cool conditions, are being
forced inexorably higher as the climate warms. Where will they go when they run
out of mountain?
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