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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
    • Litter Is Ugly
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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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    water quality viewer map
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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 6

Events

12 events found.

Events

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Today
  • June 2026

  • Fri 19
    Nature Field Day promotional graphic

    Nature Field Day at Helton Nature Park

    June 19 @ 8:00 am - 3:00 pm

    Explore one of the San Antonio River Authority's nature-based parks in an exciting way! Utilize the GooseChase app as your guide through the park anytime

  • Fri 19
    Nature Days Promotional graphic

    Nature Days – Texas Natives at Helton Nature Park

    June 19 @ 9:00 am - 10:30 am Nature Days
    Helton Nature Park 15662 FM 775, Floresville, TX, United States

    Join San Antonio River Authority staff on an adventure into the world of our amazing Texas Native plants and animals and discover their vital role

    Free
  • Fri 19
    Helton Cinema Night 6-19-2026

    Cinema Night at Helton: Zootopia 2

    June 19 @ 8:30 pm - 10:00 pm
    Helton Nature Park 15662 FM 775, Floresville, TX, United States

    Join the San Antonio River Authority for FREE Cinema Night at Helton Nature Park! Set up your blankets & chairs and settle in for a

    Free
  • Tue 23
    Nature Days Promotional graphic

    Nature Days – Plant Propagation at Mustard Seed Plaza

    June 23 @ 9:00 am - 10:30 am Nature Days
    Mustard Seed Plaza 150 Camp St, San Antonio, United States

    Join San Antonio River Authority staff for a hands-on plant propagation workshop! Come and learn the art and science of plant propagation. Whether you're a

    Free
  • Thu 25
    Nature Days Promotional graphic

    Canceled Nature Days – All About Bugs at Jackson Nature Park

    June 25 @ 9:00 am - 10:30 am Nature Days
    Jackson Nature Park 9284 County Road 401, Stockdale, United States

    Join San Antonio River Authority staff in discovering the amazing world of bugs at Jackson Nature Park on June 25. Participants will have the chance

    Free
  • Fri 26
    Summer Music Series Event promotional image

    Free Summer Music Series

    June 26 @ 7:00 pm - 10:00 pm Summer Music Series
    Branch River Park 445 South Commercial Street, Goliad, United States

    FREE Summer Music Series – Goliad June 26th | 7-10pmBranch River Park – Goliad, TXJoin us for a fun evening of live music at Branch River

    Free
  • Fri 26
    Friday Night Hike promotional graphic

    Friday Night Hike at Hendrick Arnold Park

    June 26 @ 8:45 pm - 9:45 pm
    Hendrick Arnold Nature Park 8950 Fitzhugh Rd, San Antonio, United States

    FREE EVENT!! *Capacity for this event will be 20 Hikers and Registration is REQUIRED* Join San Antonio River Authority staff on a nature hike to explore

    Free
  • Sat 27
    Youth & Adult Disc Golf Tournament promotional graphic

    Youth & Adult Disc Golf Tournament

    June 27 @ 9:00 am - 1:00 pm
    Graytown Park 1239 County Rd 125,, Elmendorf, United States

    Join us for our annual Disc Golf Tournament, a casual, unsanctioned event perfect for all skill levels! Lunch provided!!  Location: Graytown Disc Golf Course1239 County Rd

    Free
  • July 2026

  • Tue 7
    Nature Walks promotional graphic

    Nature Walks Series: Trueheart Ranch Nature Park

    July 7 @ 8:00 am - 9:00 am Nature Walks
    Trueheart Ranch Nature Park 14984 Blue Wing Rd, San Antonio, United States

    Join San Antonio River Authority staff for an hour long nature walk. Discover the beauty of the San Antonio River watershed and all the San

    Free
  • Wed 8
    Guided Bike Ride

    Guided Bike Ride Series – Ethnobotany

    July 8 @ 9:00 am - 10:00 am Guided Bike Rides – Summer 2026
    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 scenic

    Free
  • Thu 9
    Nature Days Promotional graphic

    Nature Days at Hendrick Arnold Nature Park

    July 9 @ 9:00 am - 10:30 am Nature Days
    Hendrick Arnold Nature Park 8950 Fitzhugh Rd, San Antonio, United States

    More info coming soon!

    Free
  • Fri 10
    Summer Music series promotional graphic

    Free Summer Music Series

    July 10 @ 7:00 pm - 10:00 pm Summer Music Series
    Escondido Creek Parkway 208 N. Sunset Strip, Kenedy, United States

    FREE Summer Music Series – KenedyJuly 10th | 7-10pmEscondido Creek Parkway – Kenedy, TXJoin us for a fun evening of live music at Escondido Creek

    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.

Espada Park

September 30, 2026

The restrooms at Espada park are closed 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

River Reach is offered as a printed, physical mailing to your residence or business. The Blog is a weekly electronic email with news and updates in order to be more environmentally conscious. Please fill out the form below and indicate your preferred method of delivery.

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