Around here
Around Big Jacks Creek
Access8
- Little Jacks Creek Wild and Scenic RiverRecreation area6.7 mi (opens in a new tab)
- Big Jacks Creek Wild and Scenic RiverRecreation area12.9 mi (opens in a new tab)
- Bruneau River Take-OutRecreation area13.9 mi (opens in a new tab)
- Wickahoney Creek Wild and Scenic RiverRecreation area14.7 mi (opens in a new tab)
Data Source: Recreation.gov · Public land: USGS PAD-US
About this river
Big Jacks Creek is a 39.4 mile river. Streamflow is measured at the USGS gauge Big Jacks Creek at Parker Trail near Grasmere, ID (site 13161930). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2022 to 2025
Big Jacks Creek typically runs highest in March, at a median 19 cfs, and lowest in September, at 4.2 cfs. The highest flow on record for any single day is 203 cfs, in 2025.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 5.0 | 3.7 to 6.0 |
| February | 11 | 3.5 to 12 |
| March | 19 | 11 to 34 |
| April | 15 | 12 to 20 |
| May | 12 | 10 to 13 |
| June | 9.2 | 6.8 to 11 |
| July | 5.7 | 4.3 to 6.1 |
| August | 4.5 | 3.9 to 5.1 |
| September | 4.2 | 3.9 to 4.8 |
| October | 4.6 | 3.1 to 5.0 |
| November | 4.7 | 4.3 to 5.3 |
| December | 4.8 | 4.1 to 5.3 |
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 3 years of record. Statistics published by the US Geological Survey for Big Jacks Creek at Parker Trail near Grasmere, ID (site 13161930). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put Big Jacks 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 Big Jacks 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.
