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Obsidian Dome, Mammoth Lakes

4.6
#7 of 11 in Nature in Mammoth Lakes
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
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TripAdvisor Traveler Rating
TripAdvisor Traveler Rating 4.0
90 reviews
Google
5.0
TripAdvisor
  • This was the highlight of my trip to the Mammoth Lakes area. There are several places you can park and explore the dome. Turn off the main highway and follow the signs to find the first parking area. ...  more »
  • As geologists we travel the planet looking for cool stuff. Obsidian Dome took us by surprise. While the obsidian on offer may not match that of southern Oregon's Newberry Crater, Obsidian Dome is an e...  more »
  • A relatively easy hike with views of the many types of rocks formed in a volcanic flow. Definitely recommended  more »
Google
  • It's so nice and private! Highly recommend! Beware: lose sand and gravel up to campground. 4-wheel drive is recommended, but not needed.
  • Interesting place, if you home to the top it looks like an alien planet. Most of the obsidian looks banded, but there was huge chunks of it. On the way there there several places that would be good for dispersed camping.
  • Such a cool spot!
  • This was my first time returning to Obsidian Dome in about 15 years. I brought my family with me while vacationing at Mammoth. Obsidian Dome road is off HWY 395 north of HWY 203. The road is a moderately bumpy dirt road that narrows once you get to the hills. There are a couple of turnouts along the dirt road allowing for photo opportunities and to allow other cars to pass. The best place to access the top of Obsidian Dome is at a turnout with a metal gate. There is room for about 10 cars to park. From there, you can walk up a smooth, driveway-like hill to the top of the dome. Take plenty of water. Verizon 3G service seemed to work well. Pack a lunch and enjoy the view. It was cold when we went on Thanksgiving day 2016.
  • Amazing point, a must if you are around. Obsidians are awesome, walk to the top!
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