Around here
Around Duncan River
Source: Recreation Sites and Trails BC, Open Government Licence (British Columbia) · Source: Canadian Geographical Names Database (NRCan), Open Government Licence - Canada
About this river
Duncan River is a 35.0 mile river. Streamflow is measured at the Water Survey of Canada gauge Duncan River below B.B. Creek (site 08NH119). Reach geometry comes from Natural Resources Canada's National Hydro Network.
Typical flow by month
1962 to 2025
Duncan River typically runs highest in June, at a median 6,427 cfs, and lowest in February, at 273 cfs. The highest flow on record for any single day is 18,858 cfs, in 1983.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 310 | 275 to 356 |
| February | 273 | 239 to 310 |
| March | 289 | 248 to 409 |
| April | 796 | 571 to 1,127 |
| May | 3,779 | 2,620 to 5,315 |
| June | 6,427 | 4,944 to 8,008 |
| July | 5,403 | 4,344 to 6,992 |
| August | 3,150 | 2,749 to 3,655 |
| September | 1,607 | 1,277 to 2,018 |
| October | 911 | 675 to 1,247 |
| November | 696 | 494 to 855 |
| December | 413 | 350 to 494 |
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 63 years of record. Statistics published by the US Geological Survey for Duncan River below B.B. Creek (site 08NH119). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put Duncan 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 Duncan 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.
