Around here
Around San Juan River
Source: Recreation Sites and Trails BC, Open Government Licence (British Columbia) · Data Source: Recreation.gov · Source: USGS GNIS · Source: Canadian Geographical Names Database (NRCan), Open Government Licence - Canada · Public land: USGS PAD-US
About this river
San Juan River is a 34.6 mile river. Streamflow is measured at the Water Survey of Canada gauge San Juan River near Port Renfrew (site 08HA010). Reach geometry comes from Natural Resources Canada's National Hydro Network.
Typical flow by month
1959 to 2024
San Juan River typically runs highest in January, at a median 1,948 cfs, and lowest in August, at 75 cfs. The highest flow on record for any single day is 34,008 cfs, in 1961.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 1,948 | 1,038 to 4,061 |
| February | 1,564 | 925 to 2,966 |
| March | 1,610 | 952 to 2,627 |
| April | 1,294 | 908 to 1,934 |
| May | 745 | 418 to 1,119 |
| June | 364 | 213 to 545 |
| July | 132 | 96 to 229 |
| August | 75 | 54 to 115 |
| September | 104 | 56 to 220 |
| October | 563 | 220 to 1,527 |
| November | 1,928 | 1,000 to 4,229 |
| December | 1,926 | 1,040 to 3,805 |
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 62 years of record. Statistics published by the US Geological Survey for San Juan River near Port Renfrew (site 08HA010). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put San Juan 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 San Juan 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.
