Around here
Around South Fork San Gabriel River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US · Forest roads: USDA Forest Service MVUM · BLM routes and areas: Bureau of Land Management (simplified for web display)
About this river
South Fork San Gabriel River is a 31.9 mile river near Lake Travis Zipline Adventures in Texas. Streamflow is measured at the USGS gauge S Fk San Gabriel Rv at Georgetown, TX (site 08104900). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1968 to 2026
South Fork San Gabriel River typically runs highest in May, at a median 32 cfs, and lowest in August, at 2.2 cfs. The highest flow on record for any single day is 24,100 cfs, in 2025.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 14 | 4.5 to 49 |
| February | 19 | 5.2 to 57 |
| March | 21 | 6.4 to 78 |
| April | 24 | 6.8 to 69 |
| May | 32 | 9.0 to 79 |
| June | 23 | 3.4 to 65 |
| July | 5.5 | 0.9 to 32 |
| August | 2.2 | 0.3 to 9.9 |
| September | 2.6 | 0.4 to 11 |
| October | 3.4 | 0.6 to 14 |
| November | 8.2 | 2.1 to 26 |
| December | 9.4 | 3.2 to 49 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 59 years of record. Statistics published by the US Geological Survey for S Fk San Gabriel Rv at Georgetown, TX (site 08104900). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
3 mapped launches sit in the mapped area of South Fork San Gabriel River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Cedar Breaks ParkNorth Fork San Gabriel River - Lake GeorgetownPublic
- Russell ParkNorth Fork San Gabriel River - Lake GeorgetownPublic
- Jim Hogg ParkNorth Fork San Gabriel River - Lake GeorgetownPublic
Made to print
Put South Fork San Gabriel River on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show South Fork San Gabriel River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
