All-Outdoors California Whitewater Rafting
San Leandro Creek near All-Outdoors California Whitewater Rafting
About this river
San Leandro Creek is a 3.3 mile stream near All-Outdoors California Whitewater Rafting in California. Streamflow is measured at the USGS gauge San Lorenzo C above Don Castro Res near Castro V CA (site 11180825). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1981 to 2026
San Leandro Creek typically runs highest in March, at a median 5.6 cfs, and lowest in September, at 0.2 cfs. The highest flow on record for any single day is 1,230 cfs, in 2023.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 2.5 | 0.8 to 9.2 | |
| February | 3.7 | 1.3 to 20 | |
| March | 5.6 | 1.9 to 17 | |
| April | 3.2 | 1.4 to 9.3 | |
| May | 1.4 | 0.7 to 3.5 | |
| June | 0.8 | 0.4 to 1.7 | |
| July | 0.4 | 0.1 to 0.8 | |
| August | 0.2 | 0.1 to 0.5 | |
| September | 0.2 | 0.1 to 0.3 | |
| October | 0.3 | 0.1 to 0.5 | |
| November | 0.5 | 0.2 to 1.1 | |
| December | 1.0 | 0.5 to 3.9 |
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 43 years of record. Statistics published by the US Geological Survey for San Lorenzo C above Don Castro Res near Castro V CA (site 11180825). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show San Leandro Creek's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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