Around here
Around Alamo Creek
- Don Edwards San Francisco Bay National Wildlife RefugeRecreation area16.3 mi (opens in a new tab)
- Contra Loma ReservoirRecreation area17.2 mi (opens in a new tab)
- John Muir National Historic SiteRecreation area21.1 mi (opens in a new tab)
- John Muir National Historic Site Visitor CenterVisitor center21.6 mi (opens in a new tab)
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Alamo Creek is a 3.9 mile stream. Streamflow is measured at the USGS gauge Alamo CN near Pleasanton CA (site 11174600). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1979 to 2026
Alamo Creek typically runs highest in March, at a median 14 cfs, and lowest in July, at 2.1 cfs. The highest flow on record for any single day is 2,860 cfs, in 2023.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 9.9 | 5.0 to 37 |
| February | 12 | 3.9 to 44 |
| March | 14 | 5.0 to 46 |
| April | 11 | 4.3 to 20 |
| May | 4.2 | 2.5 to 7.4 |
| June | 2.8 | 2.0 to 4.3 |
| July | 2.1 | 1.5 to 3.4 |
| August | 2.1 | 1.2 to 2.9 |
| September | 2.3 | 1.2 to 3.0 |
| October | 2.2 | 1.3 to 2.9 |
| November | 3.8 | 2.0 to 7.5 |
| December | 6.6 | 3.3 to 25 |
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 15 years of record. Statistics published by the US Geological Survey for Alamo CN near Pleasanton CA (site 11174600). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put Alamo Creek 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 Alamo Creek'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.






