Boca de la Sierra

Fog at the Sierras

Boca de la Sierra is the name of a place near Azul in Buenos Aires, Argentina. The place is just 330km away from the city but is so exotic and interesting that it seems you have traveled ten times that distance.  The sierras are part of the Tandilia system extending from Olavarria to the atlantic ocean between Mar del Plata and Miramar.

How it Happened

The rocks are more than 2000 million years old, they are among the oldest rock formations on earth. Many millions of years ago this system was as high as the Himalayas or even higher but today the highest peaks are just 500 meters high. That’s the effect of millions of years of erosion. Boulders such as the one in this picture are mysteriously scattered around the peaks, they were probably shaped by wind and water and then fell from their location to the places where they rest today.

The Great Light Slide

On a foggy morning light can play many tricks with the fog and the hills,  in this photo the sun was just rising behind the hills and the patch of fog created the effect of light sliding down the hills. I think the conditions for this are not very frequent so I consider myself lucky to have been there.

Twilight Conjunction

At twilight the sierras create shapes that can be used as silhouettes for the sky, the clean air and an earlier storm depleted the atmosphere from dust particles so the sunset wasn’t very remarkable, just a band of color above the horizon. The Moon and Venus were in conjunction just above the landscape. Venus was very bright casting weak shadows.

Sunset at the Sierras

The combination of hills, rocks that are millions of years old and clean air make this a very special place that is really worth visiting for landscape photographers near Buenos Aires. I plan to visit this place quite often as I found it really an enjoyable experience.

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