Summary
The ideal streamflow range for the river is between 500-2,000 cfs, with peak flows occurring in May and June. The river is rated as Class II-III, with occasional Class IV rapids.
The San Juan River has a segment mileage of 83 miles, beginning at Sand Island and ending at Clay Hills. The river features several notable rapids, including Government Rapid, Eight-Foot Rapid, and Ross Rapid. There are also numerous sandbars and beaches along the river, making it an ideal spot for camping and hiking.
Visitors to the San Juan River are subject to specific regulations. Permits are required for all overnight trips on the river and must be obtained through the Bureau of Land Management. The use of motorized watercraft is prohibited on the San Juan River, with the exception of certain areas upstream of Sand Island.
Overall, the San Juan River offers a challenging and scenic whitewater experience for those willing to take on its rapids and explore its wilderness areas.
River Run Details
| Last Updated | 2025-06-28 |
| River Levels | 7940 cfs (11.81 ft) |
| Percent of Normal | 36% |
| Status | |
| Class Level | ii-iii |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 09379500 |
San Juan River