The Guadalupe River is one of the most beautiful, family-friendly rivers in Texas — and like any river, it's worth understanding before you float. This guide covers water levels, safety basics, life jackets, and how Son's Guadalupe makes sure your day on the river is as safe as it is fun.
Understanding Guadalupe River Flow (CFS)
River flow is measured in cubic feet per second (CFS). For family tubing, we look for the sweet spot between roughly 100 and 400 CFS — fast enough to float at a good pace, slow enough that even kids can navigate calm sections comfortably. The USGS publishes live data for the Guadalupe at multiple points; we monitor it every day.
When Flow Is Higher Than Normal
After heavy rain, flow can climb above 600 CFS. The river still tubes — but faster, with stronger eddies. We may recommend skipping tubing and enjoying a cabana day, swim time, and grilling out instead. Cabana rentals on the Guadalupe River are a great rainy-spell backup.
When Flow Is Low
Late summer dry spells can drop flow below 100 CFS. Floats are slow and you may bottom out in a few spots, but it's still a beautiful day — and some families prefer it for kids.
Life Jackets — Our #1 Safety Recommendation
We strongly recommend life jackets for all children and any adult who isn't a confident swimmer. Properly fitted is the key — too loose and they ride up over a kid's chin in the water. Bring your own or grab one at our property.
Other River Safety Tips
- Hydrate. Texas sun + alcohol + river is the fastest way to a bad afternoon. Bring water.
- Don't dive. The Guadalupe's depth varies — never dive headfirst.
- Stay on the calm stretches. Our team will brief you on where to float.
- Watch the weather. Flash floods are rare but real. We monitor and will pull tubes if needed.
- No glass. Ever.
- Keep groups together. Especially with kids.
How Son's Helps Keep Families Safe
Our team checks river conditions daily, briefs every guest, and offers life jackets on site. Cabana rentals on the Guadalupe River give families a private home base — bathrooms, shade, picnic tables, and a place to regroup between floats. It's tubing the Guadalupe with a safety net.
River Safety FAQs
Is the Guadalupe River safe for tubing?
Yes — the calm, family-friendly stretches we float at Son's Guadalupe are safe for tubing in normal conditions. We monitor river flow and weather daily and will let you know if conditions aren't right for tubing.
What is a safe Guadalupe River flow rate for tubing?
Generally, flow rates between 100 and 400 cubic feet per second (CFS) are ideal for family tubing. Above that, the river can move fast enough that we recommend caution or a cabana day instead. Below that, floats get slow but still fun.
Where do I check current Guadalupe River levels?
USGS publishes live data for the Guadalupe River near Spring Branch and at Sattler. Our team also posts current conditions on the website and answers the phone seven days a week — easiest to just call us before your trip.
Should everyone wear a life jacket on the Guadalupe?
We strongly recommend life jackets for all children and any adult who isn't a confident swimmer. Bring your own or grab one on site.

