Guyute wrote:

Otterslide Creek?

Northeast of Otterslide
 

TripperMike wrote:

Little Mad between Philip and Radiant?

Warmer, but still further north

swedish pimple wrote:

brain creek 

Not Brain Creek, but it is also near an access point
 

AlgonquinLakes wrote:

North River?

That's the one. This is the pleasant section after what felt like navigating a '72 Chrysler Newport through the tight bends choked by alders.
You're up!