Sun
Apr 26
91°F
Mostly Cloudy
Reasonable
Typical
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Open list view 2 typical stops Shuttle often optional View all
See where to float, where to rent, and how river and weather look for the week ahead.
USGS + NWS data • Informational only — verify levels and weather before you go.
Hill Country
Float Forecast
See where to float, where to rent, and how river & weather look for the week ahead.
USGS + NWS data • Informational only — verify levels and weather before you go.
Home
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San Marcos — City / Martindale
USGS + NWS data • Informational only — verify levels and weather before you go.
7-day outlook
Short to medium · 1.5–3 hours · Easy
About this run
About this run
Spring-fed, clear water, steady flow. Best all-around float.
- Length
- Short to medium
- Float time
- 1.5–3 hours
- Difficulty
- Easy
- Best for
- Clear water and easy floating
Run reality
The quick-read details that usually decide whether this run fits today.
Clarity
crystal
Current
spring-fed
Water temp
~72°F
Crowds
medium
Party level
mixed
Scenery
mixed
Decision guide
Best for
clear watereasy floatfamilies
Avoid if
crowdsweekend chaos
Best days
- Weekday mornings
- Warm spring days
- Stable summer afternoons
Avoid when
- Holiday weekends if you want space
- Cold snaps that kill the vibe
- You want a remote hill-country feel
Route options
Light segments tied to the same run so the map and detail page can speak the same language.
City Park -> Rio Vista
City Park / Lions Club -> Rio Vista Park
1.5 hrs
easy
City Park -> Don's
City Park / Lions Club -> Don's Fish Camp
3 hrs
easy
Outfitters nearby
Call ahead for hours, shuttle timing, and seasonal operations.
Primary gage context
USGS 08170500
San Marcos R at San Marcos, TX
83.8 cfs
Live contextApr 26, 5:45 AM
Short to medium · 1.5–3 hours · Clear water and easy floating.
4000
Today
Secondary gage context
USGS 08171400
San Marcos R near Martindale, TX
129 cfs
Live contextApr 26, 5:45 AM
Use this as supporting context when conditions vary across the reach.
4000
Today
Conditions-aware hints
Low flow
Even here, low flow can mean scraping near edges and a slower finish.
High flow
Current moves faster than the vibe suggests. Exits come up quicker.
Wind and rain
Wind is usually manageable compared with the Guadalupe.
Clarity can dip after storms even though the spring source stays cold.
Cautions
Hazards
- Rio Vista crowding
- Fast water near small drops
- Busy exit zones on weekends
Skill level: easy
Respect park zones, posted access rules, and tube-rental cutoffs.
Access points
