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San Antonio River Authority

The Most-Viewed Blogs in 2022

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Alligator peering above the water

Last Updated on January 30, 2024

Happy New Year, San Antonio River Authority (River Authority) blog subscribers! Twice a week, we enjoy bringing you exciting information about the San Antonio River Watershed (also known as the San Antonio River Basin), the people and organisms that call it home, and the River Authority’s many ongoing projects and events. We’re celebrating a new year of blogs by recapping the Top 5 Most-Viewed Blogs in 2022! Read below to learn more about our local, precious freshwater resources!

Don’t miss out! Subscribe to the blog and be the first to know about what’s happening at your San Antonio River!

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#1 Giant apple snails found in the San Antonio River

What are apple snails, and why are they threatening the San Antonio River? In this blog, learn more about this invasive species, what the River Authority is doing to address its presence, and ways you can help by joining the River Warriors!

#2 Don’t Dump Your Aquarium in the River

Plecostomus (Hypostomus Plecostomus)

This popular blog was viewed over 800 times! Featuring two invasive species causing harm to the ecosystems of the San Antonio River Watershed, this blog shares what you can do to help prevent the spread of these species in our waterways.

#3 San Antonio River Paddling Essentials

Paddler races through river during paddling race series.

Do you know what to pack on your next paddling trip down the San Antonio River? In this blog, hear from our Recreation Team experts as they share resources, tips, and safety considerations to help you plan the perfect paddling excursion!

#4 The San Antonio River Tunnel: Protecting Downtown San Antonio

The San Antonio River Tunnel

Did you know about the giant tunnel underneath downtown San Antonio? Read along to learn about the engineering marvel that is the San Antonio River Tunnel—how it works, where it is located, and how it has helped protect people and property from damaging floods for over twenty years.

#5 Be River Proud: Alligators in the San Antonio River!?

Alligator peering above the water

Find the answer to this question and more as we follow two San Antonio residents in their kayaking journey down the Mission Reach of the San Antonio River Walk Paddling Trail. You’ll also learn how to share your river experiences with us and potentially end up in a future blog!

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Alerts

Mission Reach Area Maintenance

January 6, 2026

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 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.

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