The mission of the Hill Country Alliance is to bring together a diverse coalition of partners to preserve the open spaces, starry night skies, clean and abundant waters, and unique character of the Texas Hill Country.

Our Work

Oak trees sprawl out, casting shade over a yellow field of tall grass.

Land

The Texas Hill Country region covers over 11 million acres in 17 counties of mostly privately held land.

Sunset fades over red trees and the flowing water of a rocky creek

Water

Thirteen Texas rivers begin in the Hill Country and provide water for millions of downstream neighbors.

The Milky Way illuminates a brilliant blue, starry sky over a Hill Country river.

Night Sky

The Hill Country sits on the edge of night and as development pushes westward, we are losing our view of the night sky.

A little boy in cowboy boots and a button down shirt swings a rope in the middle of a rodeo arena.

Community

90% of Hill Country lands are in unincorporated areas where there is little authority to plan for growth.

Image shows a man in conversation with speakers, while a woman looks on attentively in the background.

Collaboration

HCA serves as the backbone organization and fiscal sponsor of the Texas Hill Country Conservation Network.

Latest News

Success Stories of Trails in Texas

The National Park Service, Rivers, Trails and Conservation Assistance Program is working on trail projects throughout Texas including urban trails in Austin and San Antonio and the Llano River Biodiversity trail at Texas Tech University in Junction. Learn More

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Water Blues

“How much IS too much?” Is the rate of growth northwest of San Antonio undermining the good efforts of land conservation investment over the aquifer recharge area? These tough questions are explored in the new documentary film project, Water Blues. View clips by...

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Globe At Night – Get Out and Observe the Night Sky!

The Globe at Night program is an international citizen-science campaign to raise public awareness of the impact of light pollution by inviting citizen-scientists to measure their night sky brightness and submit their observations to a website from a computer or smart...

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For Central Texas Educators: Groundwater to the Gulf

Every year, water experts from over 13 agencies in Central Texas combine forces to take 50 teachers to the aquatic hotspots in and around Austin. We go caving, canoeing, hiking, and splash in streams--all in the name of science. It is the most fun, free way to earn 22...

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Kudos to SAWS, but Day case is the real problem, not GCDs

“Kudos are due to SAWS President and CEO Robert Puente for choosing a closer-to-home strategy that, along with continued efficiency improvements, will help the City meet its water needs far into the future. Here is hoping that the SAWS board and the Mayor give full...

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