San Marcos River — City Park (Rio Vista): Water Level Today — Can You Paddle It?
San Marcos River · Class I · Texas
Current verdict
Good to paddle
Levels are within the typical runnable range for this section.
USGS gauge 08170500 · updated Jul 9, 7:45 AM UTC
7-day flow trend
Section facts
- Difficulty
- Class I
- Length
- 4 mi
- Float time
- ~2.5 hr
- Best months
- Year-round
- Take-out
- IH-35 / Thompson's Islands
Reading USGS gauge 08170500 — San Marcos Rv at San Marcos, TX ↗ · runnable range is an estimate (see methodology)
FAQ
What water level is good for paddling San Marcos River — City Park (Rio Vista)?
This section is generally runnable at 80–600 cfs (a conservative estimate — see our methodology). Below that it gets too low and bony; well above the top of the range it becomes pushy and then dangerous. We compare the live USGS reading to that range to produce today's verdict.
How do I check San Marcos River levels?
We read USGS gauge 08170500 — the same public data USGS publishes — about every 30 minutes and compare it to the runnable range for this reach. You can also view the raw gauge yourself at waterdata.usgs.gov.
Is San Marcos River — City Park (Rio Vista) good for beginners?
This section is rated Class I. At good levels it suits confident beginners and up, but it can have riffles or small rapids. Scout anything you can't see, and stay off it at high water.
When is the best time to paddle San Marcos River here?
Typically Year-round, when flows are most reliable for this section. Spring can run high after rain or snowmelt; late summer can drop too low. Always check today's gauge reading rather than assuming.
How long does it take to float San Marcos River — City Park (Rio Vista)?
This reach is about 4 miles, roughly 2.5 hours at a relaxed pace. Higher water is faster; low water and headwinds are slower. Add time for stops.