NSV Proving Grounds
EddyFlower - Kayaking information for the addicted.EddyFlower - Kayaking information for the addicted.
NSV Proving Grounds
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Run Length 1.8 miles Average Gradient
Difficulty Class IV+ Recommended Flow 110 fpm
River Saint Vrain Creek, North Location Lyons, Colorado, United States
Author Brian Adkins Current Flow & Weather
N/A
Drainage South Platte Elevation 5720ft to 5510ft
 
Middle NSV is a great afterwork run, and a great run to decide if you are ready for class V or not. The rapids are generally natural smooth bedrock with some boulder drops mixed in. After putting on and bobbing through a 2/3 of a mile of II/III cliffs suddenly soar up the side of the canyon and you are presented with a massive horizon line. The 1st rapid is a huge stair stepping drop that sieves out several times. If it weren't for the sneak down the right side it would be an epic Class V+ or VI-. Fortunately the sneak is rather easy, I'd say it rates V- or IV+. Don't snooze at the bottom, the gradient keeps crankin' for about another 100 yards. Run a short technical ledge just below and eddy left to scout the second big rapid (V-).

After the second drop the rapids mellow out to class IV and gradually peter out for the remainder of the run.
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