Obsidian Dome

Overview

Obsidian Dome is a distinct volcanic feature in California's Inyo National Forest, near Mammoth Lakes, formed around 1350 AD. Part of the Mono-Inyo Craters chain, it is a 400-foot-high, elongated "coulee" (hybrid lava flow/dome) composed of black volcanic glass, pumice, and obsidian boulders. The site offers hiking, snowshoeing, and easy access to unique obsidian formations near Hwy 395

Amenities

  • Family Friendly
  • Parking Available
Mapped location of Obsidian Dome
Obsidian Dome
Highway 395 Corridor June Lake, 93529

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