River Flows
Upper St. Francis
| Usual Difficulty: | Length: | Avg. Gradient: | Max Gradient: | Range: | Level: |
|---|---|---|---|---|---|
| II (for normal flows) | 3.2 Miles | 13 fpm | 29 fpm | 3.00 - 10.00 ft | 2.58 ft (too low) |
Lower St. Francis
| Usual Difficulty: | Length: |
|---|---|
| II -IV | 2.3 Miles |
| (feet) | (cfs) | D-bridge | Lower St. Francis rating |
|---|---|---|---|
| 3 - 4 | 150 - 500 | 0 - 15 in | II - III |
| 4 - 5 | 500 - 1000 | 15 - 30 in | III |
| 5 - 6 | 1000 - 1700 | 30 - 45 in (top of bridge) | III+ |
| 6 - 8 | 1700 - 3800 | top of bridge - 2.5 ft over | IV– (p) |
| 8 - 10 | 3800 - 6800 | 2.5 - 5 ft over bridge | IV (p) |
| 10 - 12 | 6800 - 11000 | 5 - 7.5 ft over bridge | IV+ (p) |
| 12 - 14 | 11000 - 16500 | 7.5 - 10 ft over bridge | V– (p) |
| 14 - 18 | 16500 - 31000 | 10 - 15 ft over bridge | V (p) |
| 18 - 22 | 31000 - 52000 | 15 - 20 ft over bridge | V+ (p) |
Read more about this topic: St. Francis River
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