Tag Archives: boundary

Sand Dunes, Light and Shadow

Sand Dunes, Light and Shadow
A curving sand dune boundary between light and shadow, Death Valley National Park.

Sand Dunes, Light and Shadow. © Copyright 2022 G Dan Mitchell – all rights reserved.

A curving sand dune boundary between light and shadow, Death Valley National Park.

This particular curving dune section became the subject for a series of photographs I made on this morning. It is a remarkable form, traveling higher and lower on the dune that what you can see in this photograph — a sort of “s-curve plus.” I have previously shared a couple of other photographs of it that were interpreted in color, photographs that show a larger portion of the dune. This one focuses on a small area near its base.

The light here was fascinating. The dunes are backed by a taller ridge, so the morning light does not arrive here until some time after dawn. At sunrise the light on these dunes is fully shadowed, and it has the blue tones of reflected sky. But as the sun rises it eventually sends its light across that ridge behind the dunes, and streamers of light being to slant across the dunes features, creating quickly evolving patterns of light and shadow.


G Dan Mitchell is a California photographer and visual opportunist. His book, “California’s Fall Color: A Photographer’s Guide to Autumn in the Sierra” is available from Heyday Books, Amazon, and directly from G Dan Mitchell.

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Ellery Lake

Ellery Lake
Ellery Lake

Ellery Lake. Sierra Nevada near Yosemite, California. June 29, 2010. © Copyright G Dan Mitchell – all rights reserved.

Early season morning light on Ellery Lake near Tioga Pass.

I made this photograph on the same early-season morning on which I made the vertical format photograph of the same scene that I recently posted. Ellery Lake is alongside highway 120, the “Tioga Pass Road,” just beyond the eastern boundary of the park and the Sierra crest. To be completely forthcoming, I made this photograph from the side of the road! (The many individuals who know this area well, and who have probably stopped to look at the same scene, already knew that…)

To briefly recap, the road here curves around the upper end of the lake above this small bay. Looking across the bay, the rocky edges of the lake are visible along with the steep talus slopes ascending to the peaks around Mt. Dana beyond. The spot has a natural beauty in terms of the forms of the landscape, but I think it is difficult to photograph as a whole – the light is the tricky thing. The earliest morning light is block by high peaks to the east and the late afternoon light goes quickly from sun to shade as the sun drops below ridges behind the camera position, and this light can be fairly flat since it comes from directly behind. This photograph was made in the morning, but not close to sunrise at all – it was two or three hours later. Even here the scene isn’t without technical challenges, especially from the dynamic range that spans from the shadows behind backlit rocks and trees to the very bright snow fields at upper right.

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Text, photographs, and other media are © Copyright G Dan Mitchell (or others when indicated) and are not in the public domain and may not be used on websites, blogs, or in other media without advance permission from G Dan Mitchell.

Morning, Ellery Lake

Morning, Ellery Lake
Morning, Ellery Lake

Morning, Ellery Lake. Eastern Sierra Nevada near Yosemite. June 29, 2010. © Copyright G Dan Mitchell – all rights reserved.

Morning light on Ellery Lake and surrounding mountains near Tioga Pass.

Yosemite National Park visitors who enter or leave the park via the Tioga Pass Road route are familiar with the sub-alpine lakes just east of the pass including Tioga Lake, Ellery Lake, and many smaller ponds. Ellery Lake – which is made a bit higher by a dam on its outlet stream – is the last lake before the drop-off into Lee Vining Canyon, and a place that people often stop during the summer months. Even during the very early and late season it is a popular place – in the early season right after the road opens you can often see back-country skiers on the steep slopes above the lake.

I rarely pass this particular cove near the upper end of the lake without stopping. However, I have also found it a tricky photographic subject! Very early light is blocked by the very tall ridge whose lower slopes are seen in the distance in this photograph. It is often quite windy. Late in the day the color of the light can be special, but it also tends to be almost directly behind the photographer and to leave some deep foreground shadows. There are other places like this – they seem like they should be photographic “slam dunks,” but they turn out to be more difficult than they appear. Or maybe it is just me! :-)

In any case, on this late June morning I had earlier finished photographing in the Mono Lake area and was heading back up towards Tuolumne Meadows. And, as always, as I drove around the curve above this cove I caught a view of the lake out of the corner of my eye and couldn’t resist stopping.

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Text, photographs, and other media are © Copyright G Dan Mitchell (or others when indicated) and are not in the public domain and may not be used on websites, blogs, or in other media without advance permission from G Dan Mitchell.