River Authority’s Inaugural River Symposium Offers Opportunities to Learn and Engage with the San Antonio River Basin

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River Authority Inaugural River Symposium winning design by Jeff Ramirez of San Antonio

Last Updated on January 30, 2024

Inaugural River Symposium winning design by Jeff Ramirez of San Antonio

The San Antonio River Authority (River Authority), in partnership with the San Antonio River Foundation will host the Inaugural River Symposium on September 24-26, 2021. This fun, family-friendly weekend will provide opportunities to learn, celebrate, network, and explore the San Antonio River Basin.

Read along as we share more information about the Inaugural River Symposium including this year’s schedule and how you can register to participate!

What is the purpose of the Inaugural River Symposium?

The River Symposium is designed to increase the community’s understanding of and appreciation for the San Antonio River Basin. The River Authority intends to make this an annual weekend celebration of the San Antonio River with a new theme for each year’s festivities. The theme for the Inaugural River Symposium is Cleaning, Protecting, and Taking Pride in our Waterways.

The schedule of presentations and activities were designed to draw together area citizens, families, and professionals alike who share a common interest in the San Antonio River. This event also offers an opportunity for the public to interact with River Authority professionals, collaborating governmental agencies, non-profit organizations, other engaged citizens, and environmental and community advocates who are all working together to ensure area creeks and rivers remain healthy for generations to come.

The weekend celebration is built around National Public Lands Day (September 25) and World Rivers Day (September 26), with the goal to serve as a “call to action” by inspiring attendees to become good stewards of area natural resources.

Each year, to help promote the River Symposium, there will be an event design contest. The public will be encouraged to submit artistic designs based on the theme for the symposium, and the winning design will be used on the symposium t-shirts and other promotional materials to support the River Symposium.

What can the public expect as part of the Inaugural River Symposium?

Inaugural River Symposium Guest Speaker Chad Pregracke

Inaugural River Symposium Guest Speaker Chad Pregracke

Registered participants of the River Symposium will enjoy insightful presentations on safe, clean, and enjoyable creeks and rivers as well as events that include park tours and activities, outdoor volunteer events, and a kayaking event. Those who sign up to attend the River Symposium will be given a symposium T-shirt and a goody bag plus free admittance to the River Authority’s 8th Annual Environmental Film Fest, which will be virtual again this year. 

The River Authority is proud to announce that Chad Pregracke, President and Founder of Living Lands & Waters, is the guest speaker for the Inaugural River Symposium. Best known for starting out as a young man in East Moline, Illinois wanting a cleaner waterway, Chad has become the champion for the Mississippi River. At the age of 17, he decided to clean it up. Chad and his Living Lands & Waters crew have organized and led over 1,200 community cleanups on 23 rivers in 21 states and removed almost 11 million pounds of garbage over the 23 years since its founding. We would like to thank the San Antonio River Foundation for helping to secure Chad’s participation in the Inaugural River Symposium.

How can I register?  

Interested in participating in our Inaugural River Symposium?  Register now on our website! There, you can view the agenda, learn more about the speakers featured in the symposium and how to register for all the activities the River Symposium has to offer.  We look forward to seeing you! 

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Alerts

Mission Reach Area Maintenance

Update (December 2025):
Crews will be moving south of Concepcion Park towards the baseball fields around the Mission Road area. The trail in this section will be closed the morning of Wednesday 12/10 and is expected to reopen the later next week. 

Work will also continue at the current location near mile marker 8.2 for the remainder of the week, where crews will be cleaning the area and hauling off chips and debris. This section of the trail will remain open

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 – Mission Reach Area

The Acequia Park trailhead entrance at Probandt Street to the Bexar County Public Works Department building’s trailhead will be closed through December 23rd due to construction. We apologize for the inconvenience.

Trail Closure Alert – Calder Alley, San Pedro Creek

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

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

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

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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