About this river
Piedra River is a 5.2 mile river near Angler Management on the San Juan in New Mexico. Streamflow is measured at the USGS gauge Piedra River near Arboles, CO. (site 09349800). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1963 to 2026
Piedra River typically runs highest in May, at a median 1,060 cfs, and lowest in January, at 67 cfs. The highest flow on record for any single day is 5,360 cfs, in 1970.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 67 | 50 to 90 | |
| February | 71 | 54 to 102 | |
| March | 204 | 104 to 455 | |
| April | 674 | 420 to 1,060 | |
| May | 1,060 | 726 to 1,520 | |
| June | 711 | 360 to 1,385 | |
| July | 148 | 95 to 300 | |
| August | 152 | 80 to 228 | |
| September | 114 | 71 to 204 | |
| October | 110 | 73 to 204 | |
| November | 95 | 62 to 150 | |
| December | 72 | 50 to 105 |
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 Piedra River near Arboles, CO. (site 09349800). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Piedra 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.
