The Three Sisters Wilderness Area map includes the following trails, a few of which extend into the Waldo Lake Wilderness Area: Blair Lake Trail 3553, Cedar Swamp Trail 3538, Constitution Grove Trail 3675, Crossing Way Trail 3307, Elk Creek Trail 3510, Erma Bell Lakes Trail 3563, Fisher Creek Trail 3565, Frissel Crossing Trail 3320, Irish Mountain Trail 3588, Jack Pine Way Trail 3587, Mink Lake Basin Trail 3525, North Fork Trail 3666, Pacific Crest Trail 2000-E, Shale Ridge Trail 3567, South Fork McKenzie Trail 3327, Williams Lake Trail 3589
Starting in 2021, the Mt. Jefferson, Mt. Washington, and Three Sisters Wilderness Areas will require a Central Cascades Wilderness Permit for Day or Overnight use, from May 28th to Sept 24th.
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