Around here
Around North Fork San Joaquin River
Temperature from a 1980 federal survey. The record says nothing about access, ownership or current conditions.
Before you go
Data Source: Recreation.gov · Source: USGS GNIS · Thermal springs: NOAA NCEI (1980) · Source: National Park Service. No claim to original U.S. Government works. · 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
North Fork San Joaquin River is a 16.5 mile river. Streamflow is measured at the USGS gauge MF San Joaquin R near Mammoth Lakes CA (site 11224000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2011 to 2026
North Fork San Joaquin River typically runs highest in May, at a median 305 cfs, and lowest in October, at 10 cfs. The highest flow on record for any single day is 1,940 cfs, in 2017.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 25 | 13 to 42 |
| February | 33 | 20 to 50 |
| March | 44 | 31 to 66 |
| April | 138 | 100 to 204 |
| May | 305 | 200 to 452 |
| June | 184 | 110 to 735 |
| July | 62 | 46 to 391 |
| August | 31 | 14 to 98 |
| September | 12 | 7.9 to 32 |
| October | 10 | 6.4 to 26 |
| November | 16 | 7.3 to 32 |
| December | 19 | 13 to 32 |
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 16 years of record. Statistics published by the US Geological Survey for MF San Joaquin R near Mammoth Lakes CA (site 11224000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put North Fork San Joaquin 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 North Fork San Joaquin 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.
