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San Antonio River Authority
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    Ways We Help

    The San Antonio River Authority is meeting the challenge of keeping lives, property, and our natural environment safe and secure with comprehensive planning, precision protection, strategic partnerships, and community preparedness.

    Along with maintaining over 40 dams and other flood control structures, the River Authority also advocates for development techniques designed to reduce runoff and improve water quality.

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    While green infrastructure features are designed to perform nature-like functions to slow the amounts of sediment and bacteria from getting to creeks and rivers, there are simple ways YOU can help too!

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    San Antonio Mission Road flooded after rain event
    National Flood Awareness Week: Building a Safer, Better-Informed Region
    March 11, 2026
    Living Art for a Living River: Contemporary Art Month with the River Foundation
    March 4, 2026
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    February 25, 2026
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    City Nature Challenge – iNaturalist Bioblitz Training
    March 13, 2026
    City Nature Challenge
    Guided Bike Ride Series – Ethnobotany
    March 18, 2026
    Night Photography 101 with Adolfo Rosas
    March 19, 2026
    Night Photography 101 event image
    Household Hazardous Waste Event – Karnes County
    March 21, 2026
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Home Events Calendar

Events

13 events found.

Events

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  • February 2026

  • Wed 18

    Guided Bike Ride Series

    February 18 @ 9:00 am - 10:00 am Guided Bike Rides – Mission Reach
    9101 Graf Rd, San Antonio, TX 78214 9101 Graf Rd, San Antonio, TX

    Join San Antonio River Authority staff for an hour-long bike ride program along the Mission Reach of the San Antonio River! Participants will enjoy a

    Free
  • Thu 19
    Night Photography 101 with Adolfo Rosas

    Night Photography 101 with Photographer Adolfo Rosas

    February 19 @ 6:30 pm - 7:30 pm
    Helton Nature Park 15662 FM 775, Floresville, TX, United States

    Join the San Antonio River for Night Photography 101 with Adolfo Rosas! Learn how to capture breathtaking images of the night sky as it stretches over

    Free
  • Wed 25

    City Nature Challenge – Virtual iNaturalist Training

    February 25 @ 6:00 pm - 7:30 pm

    The San Antonio River Authority invites you to get ready for City Nature Challenge 2026! Whether you're brand-new to iNaturalist or looking to sharpen your

  • Sat 28
    City Nature Challenge

    City Nature Challenge – iNaturalist Bioblitz Training (In-Person Walk)

    February 28 @ 10:00 am - 12:00 pm
    Escondido Creek Parkway 208 N. Sunset Strip, Kenedy, United States

    The San Antonio River Authority invites you to get ready for City Nature Challenge 2026! Whether you're brand-new to iNaturalist or looking to sharpen your

    Free
  • Sat 28
    Cinema Nights at San Pedro Creek Culture Park

    Cinema Nights at San Pedro Creek Culture Park – F1: The Movie

    February 28 @ 6:30 pm - 8:30 pm
    Mustard Seed Plaza 150 Camp St, San Antonio, United States

    Let's ride! The San Antonio River Authority invites you to celebrate the beginning of the racing season. Bring your own chair and blanket and join

    Free
  • March 2026

  • Wed 4

    Guided Bike Ride Series – Birding

    March 4 @ 9:00 am - 10:00 am Guided Bike Rides – Mission Reach
    Confluence Park 301 W. Mitchell, San Antonio, TX, United States

    Join San Antonio River Authority staff for an hour-long bike ride program along the Mission Reach of the San Antonio River! Participants will enjoy a

    Free
  • Fri 6
    Free Camping Weekend

    Free Camping Weekend March 6-8

    March 6 @ 3:00 pm - March 8 @ 11:00 am
    Helton Nature Park 15662 FM 775, Floresville, TX, United States

    Pack your tent, grab your gear, and get ready for a FREE outdoor escape at Helton Nature Park! Friday, March 6th - Sunday, March 8th,

    Free
  • Fri 6
    Cinema Nights at Helton Nature Park showing Barbie!

    Canceled Cinema Nights at Helton Nature Park

    March 6 @ 6:00 pm - 8:00 pm
    Helton Nature Park 15662 FM 775, Floresville, TX, United States

    Join the San Antonio River Authority for Cinema Night! Enjoy a magical night under the stars as we bring films to life at our scenic

    Free
  • Sat 7

    Household Hazardous Waste Event – Wilson County

    March 7 @ 8:00 am - 12:00 pm
    Wilson County Expo Center 435 TX-97, Floresville, Texas, United States

    More details to come! March 7, 2026 | 8AM - 12 PM Wilson County Expo & Community Center 435 TX-97 E, Floresville, TX 78114

    Free
  • Sat 7
    Fin Addict Angler Clinic

    Canceled Family, Friends, and Fishing Clinic: Acequia Park

    March 7 @ 9:00 am - 11:00 am
    Acequia Park 8500 Mission Pkwy, San Antonio, TX, United States

    FREE Fishing Lessons to the Public & NO FISHING LICENSE needed for this event! Join Fin Addict Angler Foundation and the San Antonio River Authority

    Free
  • Tue 10
    What would worms do? at Escondido Creek Parkway

    Nature Workshop – What Would Worms Do

    March 10 @ 10:00 am - 11:30 am
    Escondido Creek Parkway 208 N. Sunset Strip, Kenedy, United States

    Join San Antonio River Authority staff for a Nature Workshop to learn all about vermicomposting and what worms can do for you! Begin your vermicomposting

    Free
  • Wed 11
    Nature Workshop: What Would Worms Do? at Branch Nature Park

    Nature Workshop – What Would Worms Do

    March 11 @ 10:00 am - 11:30 am
    Branch River Park 445 South Commercial Street, Goliad, United States

    Join San Antonio River Authority staff for a Nature Workshop to learn all about vermicomposting and what worms can do for you! Begin your vermicomposting journey

    Free
  • Wed 11

    City Nature Challenge – Virtual iNaturalist Training

    March 11 @ 6:00 pm - 7:30 pm

    The San Antonio River Authority invites you to get ready for City Nature Challenge 2026! Whether you're brand-new to iNaturalist or looking to sharpen your

    Free
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San Antonio River Authority
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    San Antonio, Texas 78204

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Alerts

Mission Reach Area Maintenance

March 2, 2026

Mission Reach Area Maintenance

*MARCH 2026 UPDATE*

Ongoing stem-density maintenance is currently taking place in this area. Crews will be working Monday through Friday during daytime hours. We appreciate your patience as we complete this important work to maintain and enhance the park for everyone to enjoy.

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.

San Pedro Creek Culture Park

February 26, 2026

The east bank trail along San Pedro Creek will be temporarily closed between the upper trail at Cameron St. and the lower trail at two access points.

Closure details:

  • The first closure will impact the connector from the upper trail near West Houston St. to the south lower San Pedro Creek trail.
  • Once work at this location is complete and the trail reopens, construction will shift to the second closure area between the upper and lower trails on the opposite side of the green space.

Please follow posted signage and plan alternate routes. We appreciate your patience as this work is completed.

Closed areas around San Pedro Creek Culture Park

The Brackenridge Trail

February 10, 2026

Trail Lighting Notice – Brackenridge Park Trail

Due to an electrical issue, lighting is currently out along the north portion of the trail, from the Josephine Street inlet to just past Highway 281 within the Brackenridge Park Trail. Our team is actively working to correct the issue and expects repairs to be completed by the end of business tomorrow.

We apologize for any inconvenience this may cause and appreciate your patience as we work to restore lighting. Please use caution when traveling through this area, especially during evening hours.

San Pedro Creek Culture Park – STREAM

January 7, 2026

Stream is temporarily unavailable due to maintenance. We appreciate your understanding.

Trail Closure Alert – Calder Alley, San Pedro Creek

September 12, 2025

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

June 30, 2025

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

June 30, 2025

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

June 30, 2025

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.

Current Conditions

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