Sierpinski Tetrahedra at Grand Canyon
South Rim around Mather Point




Grand Canyon National Park South Rim Entrance Station




Two favorite things together: my granddaughter Sydney Renee, and Grand Canyon at Mather Point, taken February 4, 2006. One year later, on February 11, 2007, while out hiking alone, on my way out of the Canyon I accidentally took a wrong path on a Hermit's Rest trail and got lost. I spent the night in subfreezing temperatures on a slope with my legs straddled around a tree to keep from sliding further down. It was windy and rainy, with a winter storm coming in. I was lucky to be heard and rescued by park rangers the next day. Definitely a place to approach respectfully, the world has been reminded of this by the tragic fall of the 4-year-old child on October 9. Over the Edge: Death in Grand Canyon is a compelling read that categorizes and chronicles tragedies at Grand Canyon, with many safety tips, some of which I now employ, many of them requiring little more than common sense.




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The leftmost image shows a sign located at Mather Point. The center photograph was taken within several yards of and behind the sign, and its enlargement shows a thru-tetras image taken in the same area at the same time. The image on the right is a view of the Bright Angel cabins adjacent to Bright Angel lodge. All of the images on this page were taken between Mather Point and Bright Angel, and most of them were taken in the 0.6 mile/ 1.1 km stretch between Mather Point and the Yavapai Observation Station, shown on this shuttle bus map.

The snow on this page is from a trip taken on New Years weekend 2004/2005 to give a presentation about fractals in the Shrine of the Ages at GCNP. The Canyon section of the presentation focuses on a prominent pattern of mutually orthogonal joints visible in the Canyon walls and underfoot on the Rim. Once one knows what to look for, this pattern jumps out not only while visiting the Canyon in person but in photographs as well. The driving on this trip was dangerous, there was a lot of black ice, and I didn't dare to drive on Hermit's Route or Desert View Drive. Other snow pictures from this trip can be seen on my Follow-Up Fractals page. The pictures below were taken the day before snow hit on a trip in late 2002. My Grand Canyon pages for Hermit's Rest Route (aka Hermit's Drive) and Desert View Drive show the tetrahedrons in snow later on that same trip. Being from the Arizona desert, snow rates high for me! For many of you out there, our sunshine rates high.



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The light, blurred pastels in the background of the above picture are the distant walls of Grand Canyon faded out by my camera. This set of pictures was taken on the first afternoon of a three-day trip on Thanksgiving weekend of 2002. At this time, the Canyon was clear and the weather was good. The next morning when I returned to this same spot to capture my Sierpinski Tetraheda in the sunrise, a terrific wind came up that prevented using them. The wind quickly died down and brought in the quiet, stormy conditions seen on the other two Grand Canyon pages.




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Related pages:
Hermit's Rest Route
Desert View Drive
Grand Canyon presentation
Follow-up Images



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