A group of my buddies were looking for a new river stretch to run in the Maine area. We ran the East Branch of the Penobscot a couple years ago. We ran in at the peak of summer - water was high. We wrecked a few times, lost some gear, but had a blast. We're looking for something just as challenging this year as we're a bit more prepared. We liked the Penobscot but want to try something new. We have about a 5 day time constraint and were thinking the Mathias River sometime in late May. (3rd lake to Mathias). Wondering if anyone had any suggestions to prepare for this stretch or possibly a better stretch to run?