Ever Ride around Bigelow ?

Curious to hear if anyone has done a MTB ride around Bigelow ? I heard it "could" be done, but wondering if anyone has actually done it & what was the route (especially on the Western end & Northern side) & mileage. Obviously I am familiar with the trails in the Valley (on the southern side of Bigelow range), but not very familiar with the other side. Looks like there's a snowmobile trail (ITS 115) that comes out of Stratton Brook & skirts around the back side, but wondering how ride-able that would be in the summer/fall.