Both are great — for different days. Here's the honest, no-spin breakdown so you pick the right water for your family, group, or solo trip near San Antonio.
| Cibolo Creek (at Son's Rio Cibolo) | Guadalupe River | |
|---|---|---|
| Water source | Spring-fed (Edwards Aquifer) | Dam-released (Canyon Lake) |
| Typical water temperature | ~70–72°F year-round | 55–60°F just below dam; warms quickly downstream |
| Crowds in summer | Low — private property only | Very high (Horseshoe Loop, New Braunfels) |
| Tubing scene | Not the focus — no party tubing | Heavy party-tubing on lower stretches |
| Best for | Families, kayaks, paddleboards, swimming | Tubing, day-trip floats, big groups |
| Access | Private — booking required | Public outfitters + state parks |
| Shuttle needed | No — paddle and walk back | Yes — most outfitters shuttle |
| Drive from downtown SA | ~20 minutes (Marion, TX) | ~45–60 minutes (New Braunfels) |
| Alcohol on water | Not allowed on creek | Restricted on Guadalupe (cans only, no glass; Comal disposable-container ban) |
Guadalupe River conditions vary by stretch and dam release. Comal River (New Braunfels) bans disposable containers; both rivers restrict alcohol containers — check current city / county ordinances.
Cibolo Creek is fed by Edwards Aquifer springs upstream. That means the water source is underground, not surface runoff — so the creek stays roughly 70–72°F year-round, clearer than most Texas waterways, and doesn't dry up in August or muddy for a week after a storm.
The Guadalupe, by contrast, is dam-released from Canyon Lake. Just below the dam it's frigid (55–60°F) but it warms quickly downstream and can drop to non-floatable levels when releases stop.
The Guadalupe tubing stretches near New Braunfels and Gruene are the most popular summer water tourism in Texas — fun if that's what you want, miserable if you've brought a 4-year-old and a grandparent looking for quiet.
Son's Rio Cibolo is private. The 2-mile creek stretch is reserved for guests, the property is 25+ primary renter and no-party (see policy), and there's no through-traffic from public floaters.
20 minutes east of downtown San Antonio. Stay overnight on the creek or grab a day pass — kayak and paddleboard wristbands are $19.99/person.
Related: Cibolo Creek Guide · Kayaking near SA · Vs. Texas State Parks