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Winter 2024 Message from the GM

Derek Boese, JD, PMP General Manager The San Antonio River Authority (River Authority) is closing out 2023, saying “Thank you for your service” to two of our elected board members.

Expanding our SAFE Mission with New WAZE Partnership

The San Antonio River Authority (River Authority) has a long history of partnering with the City of San Antonio and Bexar County. In 2014, the agencies identified a need to

The Authority on Flood Safety

As the Authority on flood safety, keeping lives, property, and our natural environment safe and secure from the devastating effects of major flooding is a top concern for the San

River Authority updates floodplain maps; Open Houses begin January 2023

As the Authority on flood safety, the top priority for the San Antonio River Authority (River Authority) is public safety through flood risk management. With documented increases in the intensity

Are you and your home prepared for a flood?

Within the San Antonio River Basin, the City of San Antonio and Bexar County have a long history of flooding, particularly flash flooding. As part of Flash Flood Alley, this

What is National Dam Safety Awareness Day?

In observance of National Dam Safety Awareness Day, learn about the history of this day and the many dams operated and maintained by the San Antonio River Authority (River Authority).

New to San Antonio? Welcome to Flash Flood Alley

The 1998 flood in San Antonio; a 100-year flood disaster. Photo credit: San Antonio Express-News Welcome to the San Antonio River Authority’s (River Authority) Basin Report Card series! The San

Why did the River Authority remove trees from the Mission Reach?

We have recently fielded some questions from the public about the stem density removal work taking place along the Mission Reach of the San Antonio River Walk. Back in October

2nd Annual San Antonio River Basin Report Card Highlights – Flood Insurance Coverage

San Antonio Fire Department conducts rescues during major flooding in 2002. Photo credit: San Antonio Express-News The San Antonio River Basin is made up of a complex arrangement of creeks

River Warrior Volunteers Team Up with River Authority for Stream Restoration Efforts

Photo credit: Vanessa Velazquez As part of our commitment to safe, clean, and enjoyable creeks and rivers, the San Antonio River Authority (River Authority) leads stream restoration efforts to improve

Alerts

Mission Reach Area Maintenance

Update (December 2025):
Crews will be moving south of Concepcion Park towards the baseball fields around the Mission Road area. The trail in this section will be closed the morning of Wednesday 12/10 and is expected to reopen the later next week. 

Work will also continue at the current location near mile marker 8.2 for the remainder of the week, where crews will be cleaning the area and hauling off chips and debris. This section of the trail will remain open

When: Beginning October 20, 2025 through Spring 2026
What: Crews will be performing stem-density removal and related vegetation maintenance along sections of the Mission Reach to help manage flood risk and protect surrounding infrastructure. Some trails or segments may be closed temporarily while work is underway.
Why: Removing excess stems that naturally establish along the river helps maintain stormwater conveyance, reduces flood risk, and protects public infrastructure while allowing grassland and native vegetation to recover and thrive.
What to expect:

  • Limited trail closures and intermittent work zones.
  • Crews and equipment working near the riverbanks during daytime hours.
  • Parking areas remain open, but visitors may see signage and temporary barriers.

Questions? Call the San Antonio River Authority at (210) 227-1373 or visit https://www.sariverauthority.org/services/river-health/ecosystems/.

Thank you for your patience while we keep the Mission Reach safe, clean, and enjoyable.

Stem Density work 12.10.2025-12.19.2025

Trail Closure – Mission Reach Area

The Acequia Park trailhead entrance at Probandt Street to the Bexar County Public Works Department building’s trailhead will be closed through December 23rd due to construction. We apologize for the inconvenience.

Trail Closure Alert – Calder Alley, San Pedro Creek

Maintenance work will be done in Calder Alley starting Wednesday, September 18, 2025.

  • Trails will remain open during this work.
  • One bench at a time will be temporarily barricaded while improvements are completed.
  • There may be occasional contractor pickups in the area.

We appreciate your patience as we continue to maintain and improve San Pedro Creek for all to enjoy!

SASPAMCO Paddling Trail

The SASPAMCO paddling trail is open from River Crossing Park to Helton Nature Park.
*Please Note: Paddling Trail from Helton Nature Park to HWY 97 is still closed due to blockages. 

SASPAMCO Paddling Trail Temporarily Closed

Staff have removed two large log jams just downstream of Helton Nature Park, keeping the southern portion of the SASPAMCO Paddling Trail temporarily closed. Staff are working to contact adjacent landowners to support a land-based removal solution.

Goliad Paddling Trail Alert

NOTICE: HWY 59 Landing Site Closed

Due to TxDOT construction on the HWY 59 Bridge, the HWY 59 landing site is closed until further notice. However, the Goliad Paddling Trail remains open, and paddlers can still access the river at the Riverdale, Ferry Street, and Goliad State Park landings.

Please plan accordingly and check back for updates.

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