Around here
Around Mammoth Creek
Before you go
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Mammoth Creek is an 8.9 mile river. Streamflow is measured at the USGS gauge Hot C at Flume near Mammoth Lakes CA (site 10265150). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1990 to 2026
Mammoth Creek typically runs highest in June, at a median 77 cfs, and lowest in December, at 40 cfs. The highest flow on record for any single day is 309 cfs, in 1997.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 41 | 37 to 46 |
| February | 42 | 38 to 47 |
| March | 44 | 39 to 49 |
| April | 46 | 39 to 53 |
| May | 60 | 48 to 82 |
| June | 77 | 52 to 129 |
| July | 54 | 42 to 99 |
| August | 46 | 38 to 71 |
| September | 42 | 34 to 59 |
| October | 41 | 35 to 53 |
| November | 41 | 36 to 50 |
| December | 40 | 35 to 48 |
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 36 years of record. Statistics published by the US Geological Survey for Hot C at Flume near Mammoth Lakes CA (site 10265150). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
One mapped launch sits in the mapped area of Mammoth Creek. Ramp data comes from the USGS national boat-ramp inventory.
Made to print
Put Mammoth 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 Mammoth 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.
