Hays Trinity Groundwater Conservation District

Hill Country Conservancy

Holistic Resource Management of Texas

Jacob's Well

La Tierra Property Owners Association

Nature Conservancy

New Braunfels Roots & Shoots

Preserve Our Water

Public Citizen, Texas Office

Save Barton Creek Association

Save Our Springs Alliance

Scenic Texas

Sierra Club

Steinhardt & Company

Sustainable Energy and Economic Development Coalition (SEED Coaliton)

Texas Equestrian Trail Riders Association

Texas Land Trust Council

Trails of Lake LBJ

Waterways Magazine

Westcave Preserve

Wimberley Valley Watershed Association

Concerned Citizens of Spicewood (extinct)

Lakeway First (extinct)

The mission of the Hill Country Alliance is to bring together an ever-expanding alliance of groups throughout a multi-county region of Central Texas with the long-term objective of preserving open spaces, water supply, water quality and the unique character of the Texas Hill Country .