| Difficulty | I |
| Length | 18 mi |
| Avg Gradient | n/a |
| Reach Info Last Updated | November 22, 2025 |
A long flat water section with good fishing and a lake paddle at the end. Referred to as Swallowtail Canyon in Doug Wheat's Floater's Guide to CO (1984) and other older guide books. Omitted from most modern guide books.
Take out on the reservoir at the end of Swallows Road.
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