Sand Creek

This river runs far more often  than the correlation to the vermillion guage would indicate in spring.  Here is a link to a guage on the river near the takeout.

https://water.weather.gov/ahps2/hydrograph.php?gage=sncm5&wfo=mpx

Just to the south  tributaries of the minnesota river high island and rush creek also have longish sections of class 1-2, with the occasional surfable wave and downed trees. .