Just 2.5 hours from Houston — float crystal-clear 72°F water by day, sleep riverside under the stars by night. Make a weekend of it.
Why drive 6 hours to the Frio when you can drive 2.5 hours and float the same crystal-clear, spring-fed Hill Country water? Son's River Ranch on the San Marcos River is just 2.5 hours west of Houston on I-10 — the closest natural spring-fed clear-water tubing to Houston. Trade Houston's brown bayous and humidity for water that stays a perfect 72°F year-round, and skip the long, exhausting haul to the Frio. You'll be on the river in roughly half the time, on water that's just as clear.
And unlike the crowded, rowdy Comal and Guadalupe rivers near New Braunfels, our private 150-acre stretch of the San Marcos River stays calm, family-friendly, and uncrowded — small rapids, no dams, no party-barge chaos. Just clear water and Hill Country quiet, less than half the drive of the Frio. Plus, the San Marcos has the strongest headwater spring in Texas, fed by the massive Edwards Aquifer, so it has never run dry — even in the worst drought years when the Frio and Guadalupe slow to a trickle.
Our 1.5-mile float route winds through towering cypress trees and lush riverbanks, with a smooth, easy current perfect for families, couples, and groups of friends. There are no rapids, no dams, and no dangerous currents — just pure, peaceful floating through water so clear you can see every fish and river rock below you.
Unlike a day trip, a weekend at Son's River Ranch lets you actually unwind. Tube all day Saturday, grill out at your cabana, sleep in a glamping cabin or bell tent steps from the river, then wake up and do it all again Sunday. It's the ultimate Houston weekend escape — river tubing, glamping, and nature all in one place.
Whether you're planning a family weekend getaway from Houston, a friends' float trip, or a romantic glamping escape, Son's River Ranch has everything you need to make it unforgettable.
72°F
Water Temp
1.5 mi
Float Route
Overnight
Glamping Available
Free
Shuttle Service














































No reservations needed — grab your wristband and float all day. Add a cabana or picnic table for shade, grills & 25% off!
Most Popular
From $29.99/person
Spend the whole weekend on the river at your own pace. Float downstream, shuttle back to the top, and do it all over again — as many times as you want, all day long!
and Get 25% Off Tubing & Kayaking

From $69/day · Up to 15 Guests
The perfect home base for your weekend — relax in the shade, fire up the grill, and float whenever you feel like it.

From $49/day · Up to 10 Guests
All the essentials for a perfect river weekend without breaking the bank.
Make It a Weekend
and Get 20% Off Cabanas, Picnic Tables, Tubing & Kayaking
You drove 2.5 hours from Houston — don't rush home. Stay overnight in a glamping cabin, safari cabin, log cabin, or bell tent steps from the river. Wake up and float again.

From $149/night · Sleeps 4

From $199/night · Sleeps 6

From $249/night · Sleeps 9

From $99/night · Sleeps 5
Float 1.5 miles of crystal-clear San Marcos River from Son's River Ranch to Son's Blue River Camp. Our shuttle brings you right back to float again!
We own both the put-in and take-out — that means a seamless experience with no third-party drop-offs. Float down, hop on the shuttle, and float again!
Day parking for visitors not staying overnight or who have not rented a cabana or picnic table
$20/vehicle
Scenic route through cypress trees and clear spring water
We own the put-in AND take-out — seamless loop
No rapids, no dams — safe for kids and all ages
Glamping cabins, safari cabins & bell tents on-site
No experience needed — gentle current, no rapids
Tube rental included — float the 1.5-mile route all day
Kayaks included too — paddle whenever you want
Free shuttle loops you back to start after each float
Spring-fed from the Edwards Aquifer, the water stays a refreshing 72°F no matter the season. Comfortable enough to float from March through November.
The closest crystal-clear tubing to Houston — visibility so stunning you can see every fish and river rock below your tube. One of the clearest rivers in the entire U.S.
Unlike the Guadalupe and Frio rivers, the San Marcos has the strongest spring in Texas and has never run dry — even in the worst droughts. You'll always have water to float.
The Frio River is over 5 hours from Houston. Son's River Ranch is just 2.5 hours — same crystal-clear water, half the drive.
Grab your wristband, float crystal-clear 72°F water all day, and sleep riverside under the stars. Your weekend escape is just 2.5 hours away.
Son's River Ranch
2769 Sherrill Road
Kingsbury, TX 78638
📞 877-577-7667
Pro tip: Leave Houston Friday afternoon, arrive by dinner, and you've got the whole weekend on the river.
Get DirectionsFull details on our $29.99 unlimited float.
Crystal-clear paddling, 2.5 hours west on I-10.
Same river — 45 min from San Antonio.
Calmer alternative to the Comal.
Make it a weekend — riverside cabins.
Directions, hours, FAQs.