Headwaters Sanctuary Unveiled 10-Year Master Plan

The San Antonio nature preserve released a long-term strategy to improve visitor access and environmental protections.

Updated on Oct. 9, 2026 in Environmental

Headwaters Sanctuary Unveiled 10-Year Master Plan

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Should your local nature preserves prioritize increasing visitor access over maintaining their existing natural state?

Headwaters Sanctuary has unveiled a 10-year master plan designed to balance environmental conservation with public accessibility. The strategy focuses on enhancing the visitor experience across the 53-acre property while maintaining its protected status.

Why it matters

The plan seeks to increase public awareness of the sanctuary and manage its natural resources more effectively. These improvements aim to preserve the landscape while welcoming more residents to the site.

The plan covers the entire 53-acre protected site, which has been under a conservation agreement since its establishment. Proposed infrastructure includes a new visitor center and a dedicated entrance along East Olmos Drive.

The players

Headwaters Sanctuary

This nature preserve in San Antonio protects 53 acres of land, including the site of the Blue Hole spring.

Urban Alchemy Collective

This design and planning firm worked with a steering committee to identify the long-term needs of the sanctuary.

Sisters of Charity of the Incarnate Word

This religious organization founded the sanctuary in 2005 to manage and protect the natural space.

HEB

This major regional retailer provided the funding necessary to develop the master plan.

The details

Developed by Urban Alchemy Collective and funded by HEB, the plan outlines trail adjustments to combat erosion and improve site navigation. These structural updates are intended to protect the sanctuary's natural integrity while increasing visitor engagement.

The Sisters of Charity of the Incarnate Word established the sanctuary in 2005.
Urban Alchemy Collective began developing the master plan in 2025.
The master plan was officially unveiled at a fundraiser on October 8, 2026.

Deeper Dive

The master plan reflects the evolving land-use priorities outlined in the San Antonio Unified Development Code, marking a transition toward greater public access in urban green spaces. It follows a pattern of local conservation efforts aimed at balancing recreational utility with strict environmental protection.

Residents may soon see changes to entry points near East Olmos Drive and Highway 281 once construction begins. Visitors can currently participate in volunteer sessions held on Wednesday, Friday, and Saturday mornings to support the sanctuary's ongoing maintenance.

The takeaway

The master plan highlights the ongoing challenge of providing public access to sensitive urban ecosystems. Future visitors should prepare for potential trail realignments designed to minimize the impact of human foot traffic on the environment.