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The Generation and Giant Gaps Tadpole to Colfax Iowa Hill Road River Run in California is a Class III-IV river run that spans approximately 6.5 miles. The rapids range from technical pool drops to steep chutes, and there are several obstacles to navigate, including a large boulder garden and a narrow rock chute. The best time to float this section of water is in the spring when flows are between 1,500-2,500 cfs. This section of the river is not recommended for beginner boaters, and a solid roll and rescue skills are necessary.
Last Updated | 2023-06-13 |
River Levels | 1390 cfs (1.86 ft) |
Percent of Normal | 200% |
Optimal Range | 500-2500 cfs |
Status | Too Low |
Class Level | IV to IV+ |
Elevation | 717 ft |
Run Length | 26.8 Mi |
Gradient | 120 FPM |
Streamflow Discharge | 338 cfs |
Gauge Height | 0.9 ft |
Reporting Streamgage | USGS 11427000 |
Discharge | Stage | Elevation | |
DEER C NR CAMERON PARK CA
2011-06-30T23:45:00.000-07:00 |
8cfs | 3.60ft | 779ft |
SPANISH C A QUINCY CA
2024-12-19T01:30:00.000-08:00 |
112cfs | 5.65ft | 3406ft |
UP TRUCKEE R A SOUTH LAKE TAHOE CA
2024-12-21T00:00:00.000-08:00 |
17cfs | 3.35ft | 6233ft |
AMERICAN R A FAIR OAKS CA
2024-12-21T00:00:00.000-08:00 |
2050cfs | 6.74ft | 79ft |
SPANISH C AB BLACKHAWK C AT KEDDIE CA
2024-12-19T01:30:00.000-08:00 |
199cfs | 2.45ft | 3141ft |
COSUMNES R A MICHIGAN BAR CA
2024-12-19T00:30:00.000-08:00 |
112cfs | 3.29ft | 180ft |
PILOT C BL MUTTON CANYON NR GEORGETOWN CA
2008-10-19T23:45:00.000-07:00 |
2cfs | 3.04ft | 3848ft |