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Difficulty I(II)
Length 20 Miles
Gauge ONTONAGON RIVER NEAR ROCKLAND, MI
Flow Range 500 - 5000 CFS
Flow Rate as of: 2 hours ago 12500 [CFS] ℹ️
Reach Info Last Updated 02/21/2009 8:37 am

River Description


Canoe tripping run (20 miles, at only 3 FPM average gradient). It may be possible to shorten the run a bit using alternate accesses.

"Grand Rapids" (at Lat/Lng 46.7640, -89.2717) is the whitewater highlight of the run.

USGS aerial image resolution on Google is quite good. Go to the 'Map' tab, click 'USGS Aerial', and double-click near (not 'on') any of the markers on the river (put-in, take-out, or Grand Rapids), then zoom in to maximum resolution, and do a 'virtual walk' of the river.

Rapid Descriptions

Grand Rapids

Class - Mile - 0
Rapid Thumbnail Missing

This is the only marked, named rapids on this reach. We have no specific information on the nature of this rapids. However, from the 'Map' tab ('USGS Aerial' view, zoomed in to maximum resolution) it appears to be an area of rubble shoals, leading to an island (making for some likely 'constriction waves').

Comments

Gage Descriptions

Cited gauge is right at the put-in for this reach, therefore should be a very accurate representation of flows in this reach. However, we are not presently aware of the best range of boatable levels for this reach. In all liklihood, the majority of the reach may be 'floatable' near all summer, though the rapids may become impassable (bump and scrape) at summer flows.

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Directions Description


We have no additional detail on this route. Use the map below to calculate how to arrive to the main town from your zipcode.

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Matt Muir