This is a short (silent) sequence shot from above the Napa River watershed which stretches from the slopes of Mount St. Helena 55 miles south to San Pablo Bay, an extension of the San Francisco Bay. Mt.St. Helena represents a portion of the Sonoma volcanic fields and the Palisades are the remains of volcanic ash flows, rhyolite and andesite, now shaded pinks, greys, yellows.

In this area you can find evidence of all sorts of wildlife from mountain lion and bobcat to fox, coyote and raccoon. On the valley floor, in the stream of the Bale Grist Mill, you may see a salmon returning to spawn if you are lucky. Now, the valley is better known for the porous, volcanic soil which produces such remarkable wines.

The large rock spires you see are 4 to 5 million years old, half the age of the Franciscan Complex further west.

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