Around here
Around Rock Creek
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Rock Creek is a 42.7 mile river. Streamflow is measured at the USGS gauge Rock Creek above Hwy 30/93 Xing at Twin Falls ID (site 13092747). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1993 to 2026
Rock Creek typically runs highest in September, at a median 152 cfs, and lowest in February, at 47 cfs. The highest flow on record for any single day is 602 cfs, in 2019.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 49 | 43 to 57 |
| February | 47 | 40 to 60 |
| March | 51 | 41 to 79 |
| April | 126 | 85 to 196 |
| May | 148 | 100 to 235 |
| June | 113 | 91 to 146 |
| July | 107 | 90 to 121 |
| August | 127 | 104 to 141 |
| September | 152 | 134 to 168 |
| October | 150 | 132 to 173 |
| November | 79 | 72 to 87 |
| December | 59 | 53 to 64 |
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 33 years of record. Statistics published by the US Geological Survey for Rock Creek above Hwy 30/93 Xing at Twin Falls ID (site 13092747). 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 Rock Creek, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
Made to print
Put Rock 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 Rock 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.
