The following organizations support the restoration of Hetch Hetchy Valley as long as a fair and cost effective plan is developed to replace the high-quality water and power supply benefits that are currently provided by the reservoir:

Supporters who have signed on to the Amicus letter sent to the California Supreme Court: 

Former Superintendents of Yosemite National Park - submitted by attorney Deborah Caplan

  • Dave Mihalic
  • Barbara Griffin
  • Bob Binnewies

Former California State Officials - submitted by attorney Roger Moore

  • Dan Lungren
  • Doug Wheeler
  • Lois Wolk
  • Huey Johnson
  • Roger Moore

San Joaquin Valley farmer Stuart Woolf

Environmental Groups

  • California Coastkeeper Alliance
  • California Wilderness Coalition
  • California Water Impact Network
  • The Bay Institute
  • Foothill Conservancy
  • Friends of the River
  • Friends of the Inyo
  • The Natural Heritage Institute
  • Californians for Western Wilderness
  • Mono Lake Committee
  • Friends of the Eel River

In addition, the following Sierra Club Chapters have passed separate resolutions supporting the restoration:

  • Delta-Sierra Group (Mother Lode Chapter)
  • Merced Group (Tehipite Chapter)
  • Tehipite Chapter
  • Mineral King Group (Kern Kaweah Chapter)
  • Maidu Group (Mother Lode Chapter)
  • Northern Alameda County Group (SF Bay Chapter)
  • Placer Group (Mother Lode Chapter)
  • San Francisco Group (SF Bay Chapter)
  • Solano Group (Redwoods Chapter)
  • Washington, D.C. Chapter
  • Yahi Group (Mother Lode Chapter)
  • Yolano Group (Mother Lode Chapter)
  • Central Ohio Group (Ohio Chapter)