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San Antonio River Authority
  • Ways We Help
    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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    Get Involved

    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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    A group of River Warriors pose together at the reception.
    Celebrating Volunteer Service, Stewardship, and Impact Across Our Watershed
    September 30, 2026
    Dominic Carvajal and Lisa Cervantes talking
    Advocating for Downstream Communities with Board Member Dominic Carvajal
    September 23, 2026
    A curious river otter in the river
    Could River Otters Be Returning to the San Antonio River?
    September 16, 2026
    • Shape Your River Way
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    Current Reads
    October 15, 2026
    Current Reads at Confluence Park promotional graphic
    Fall Discovery Hunt
    October 16, 2026
    Discovery Hunt promotional graphic
    Fall Fest at Helton Nature Park
    October 17, 2026
    Fall Fest promotional graphic
    Goliad County – Household Hazardous Waste Collection Event
    October 24, 2026
    Household Hazardous Waste Event - Goliad County
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    Parks & Trails

    The San Antonio River Authority is inviting you to discover every facet of this gem’s green spaces, flowing waters, parks, trails, and cultural heritage.

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    Education

    Explore the San Antonio River Basin in new ways and uncover the vital role our rivers play in our daily lives.

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    san antonio river education
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    Maps & Reports

    These maps and reports illuminate how our love and care for the river affects all of the communities both upstream and downstream.

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    About Us

    Our commitment to having SAFE and CLEAN creeks and rivers leads to an ENJOYABLE river.

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Home Events Calendar Page 10

Events

12 events found.

Events

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  • February 2026

  • Wed 11
    Guided Bike Ride

    Guided Bike Ride Series

    February 11 @ 9:00 am - 10:00 am Guided Bike Rides – Mission Reach
    Mission Reach 8500 Mission Parkway, San Antonio, 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
  • Sat 14
    Haunted Hike Valentine's Day

    Valentine’s Day Haunted Hike

    February 14 @ 7:00 pm - 8:00 pm

    Romances haunting the San Antonio River!? Join Curious Twins to hear about some of the haunting love that lasts along the river. Explore the Riverwalk's

    Free
  • Wed 18
    Guided Bike Ride

    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

    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
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San Antonio River Authority
  • 1.866.345.7272
  • 100 E. Guenther
    San Antonio, Texas 78204

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River Reach Newsletter

Join our quarterly newsletter to be informed about the agency’s projects and communications from the board of directors and staff for the residents of Bexar, Wilson, Karnes and Goliad counties.

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Alerts

Lock & Dam Restrooms Closure

October 5, 2026

The restrooms at the Lock & Dam area will be closed until further notice due to a water leak. We apologize for the inconvenience.

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

River Reach Newsletter and Blog Signup

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