Wilderness · Oregon

Three Sisters Wilderness

A skyline of volcanoes, lava & alpine lakes

TypeWilderness
StateOregon
Best seasonMid-summer through fall
Don’t missGreen Lakes basin

A volcanic wonderland in the Oregon Cascades where three matching peaks tower over obsidian lava flows, hanging glaciers, and meadows of alpine lakes. Green Lakes and the Obsidian Trail are bucket-list day hikes.

What to see

  • Green Lakes
  • Obsidian Trail
  • South Sister summit
  • Proxy Falls
  • Pacific Crest Trail

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