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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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    A pair of Megachile policaris, a species of leaf-cutter bee, feeds on Gregg’s mistflower. Photo Credit: Lee Marlowe
    Buzzing, Blooming, and Thriving: Celebrating Texas Native Plant Week
    October 21, 2026
    The Roberto Rodriguez Westside Creeks Restoration Oversight Committee
    Voices for the River: Erwin De Luna on Culture, Community, and Stewardship
    October 14, 2026
    Two people sit in the back of a golf cart holding "Litter Is Ugly" signage
    River Authority Kicks Off Fall with Family Fun, Outdoor Adventures, and More!
    October 7, 2026
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    • Litter Is Ugly
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    Haunted Hike
    October 28, 2026
    Haunted Hike promotional graphic brought to you by the San Antonio River Authority and Curious Twins
    Peddle & Paddle
    October 29, 2026
    Peddle & Paddle promotional graphic
    Hocus Pocus at Trueheart Ranch Nature Park
    October 29, 2026
    Hocus Pocus - Cinema Nights promotional image
    The Nightmare Before Christmas – Helton Nature Park
    October 30, 2026
    The Nightmare Before Christmas - Cinema Nights promotional graphic
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Home Events Calendar Page 2

Events

12 events found.

Events

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Today
  • March 2026

  • 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 for an exhilarating morning of

    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 journey with us as you

    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 with us as you create

    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 ID and observation skills, join

    Free
  • Fri 13
    City Nature Challenge

    City Nature Challenge – iNaturalist Bioblitz Training

    March 13 @ 5:00 pm - March 14 @ 10:00 am
    Goliad State Park 108 Park Rd 6, Goliad, TX

    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 ID and observation skills, join

    Free
  • Wed 18
    Guided Bike Ride

    Guided Bike Ride Series – Ethnobotany

    March 18 @ 9:00 am - 10:00 am Guided Bike Rides – Mission Reach
    Arbol de la Vida 2639 De Sague St., 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 scenic ride on electric B-Cycle

    Free
  • Thu 19
    Night Photography 101 event image

    Night Photography 101 with Adolfo Rosas

    March 19 @ 6:00 pm - 7:00 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 the peaceful landscape of

    Free
  • Sat 21

    Household Hazardous Waste Event – Karnes County

    March 21 @ 8:00 am - 12:00 pm
    Karnes County Youth Show Barn 1480 County Rd 345, Karnes City, United States

    More details to come! March 21, 2026 | 8AM - 12 PM Karnes County Youth Show Barn 1480 CR 345, Kenedy, TX 78119

    Free
  • Wed 25
    SA River Basin Bioblitz Logo

    San Antonio River Basin Bioblitz

    March 25 @ 8:00 am - March 28 @ 5:00 pm
    Trueheart Ranch Nature Park 14984 Blue Wing Rd, San Antonio, United States

    San Antonio River Basin BioblitzJoin scientists from the San Antonio River Authority and partners to assist with biological surveys, observe flora and fauna, and explore one of our riverside parks! March

    Free
  • Sat 28
    Women Girls Disc Golf Clinic

    Women’s & Girls’ Disc Golf Clinic

    March 28 @ 9:00 am - 1:00 pm
    Graytown Park 1239 County Rd 125,, Elmendorf, United States

    San Antonio River Authority presents a Women’s & Girls’ DISC GOLF CLINIC at Graytown Disc Golf Course, sponsored by the San Antonio Women’s Disc Golf Club. For women, by women! Saturday,

    $5
  • April 2026

  • Wed 1
    Guided Bike Ride

    Guided Bike Ride – Pollinators

    April 1 @ 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 scenic ride on electric B-Cycle

    Free
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San Antonio River Authority
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    San Antonio, Texas 78204

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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

Mission Reach Trail Closure

October 23, 2026

Starting Tuesday, October 27 from 9AM – Noon, the trail between Roosevelt and Echo Bridge (Markers 5.0 and 5.1) will be closed due to electrical work. Officers may temporarily stop pedestrian and cyclists near the area. Please use caution.

Stem Density Efforts

October 12, 2026

Please be advised that trails near the Mission San Juan, Mission Espada, and Conception Park of the Mission Reach area will be temporarily closed due to ongoing Stem Density efforts. We appreciate your cooperation and ask that you remain mindful of workers and closures when in the vicinity. Thank you for your patience as we work to improve our natural spaces!

Museum Reach Maintenance Alert

October 7, 2026

Lexington Avenue West Bank Sidewalk Closure

A portion of the trail along the west bank of Lexington Avenue is temporarily closed due to work being conducted by the City. Trail users should follow posted signs at McCullough Avenue and cross to the opposite side of the trail to continue their route. Please follow all detour signage and use caution in the area. We apologize for the inconvenience and appreciate your patience while this work is underway.

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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