Obsidian Dome is located in Mammoth Lakes. A visit to Obsidian Dome represents just the start of the adventure when you use our Mammoth Lakes trip planner to plot your vacation.
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Obsidian Dome reviews
Because it's called a dome that is what I expected to see. It was more of a hill and lots of rubble from being dug through. It was absolutely awesome to see obsidian and its natural place. Highly... more »
What kid doesn’t like a big pile of rocks? Especially obsidian, pumice and lava rock. It is on every map and marked on the road. Prepare to get dusty looking for snowflake obsidian. more »
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