|Location:||Altamont Pass, Livermore, Greater San Francisco Bay Area. (CA-CCO-434/H)|
|As far as we know this information was accurate when it was published (see years in brackets), but may have changed since then.
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The Vasco Caves are not exactly caves, but as often with prehistoric cave paintings, shelters or abris. A number of overhanging cliff faces among the many large sandstone outcrops contain cave paintings or murals. A variety of styles reflects a mixture of local and regional Native American influences.