9/27/2016; Big Bend National Park, Texas
Bigger than the state of Rhode Island
BB NP covers over 1200 square miles tucked into a bend of the Rio Grande
River. Three major ecosystems to explore are the river area, the Chihuahuan
desert and the Chisos Mountains. There are 2 campgrounds on either end of the
park along the river, and a 3rd up in a basin of the Chisos at about 5500’ –
since this is the cooler campground, it’s where I’m staying.
This whole area was an inland sea before it dried up and was further formed
by volcanic action. The Chisos Mountains are the remains of a huge volcanic
uplifting – giving the mountains the appearance of being an ‘island in the
sky’. The campground is located in a basin created by a collapsed caldera. The
environment in the Chisos is markedly different than the desert floor, with
Douglas Fir, Arizona Pine and Aspen. The mountains are home to an estimated 25
mountain lions and has, over the last 20 years, been re-populated by Mexican
black bears.
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A view of the Chisos |
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The Badlands |
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Hard lava cap over layers of Tuff |
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Tuff Canyon |
An official ‘Dark Sky’ location
A fourth aspect of the park is the night sky. Being over a 100 miles from
the nearest city means that the night sky is not affected by light pollution
and, on clear nights, the stars are spectacular. So far, the nights have been
mostly cloudy so I haven’t seen much of the stars – only one night has been
clear enough to see the milky way. I’ll have to come back in the winter when
the weather is more predictably dry.
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