I recently completed a supported trip on the ATA and C&O towpath from Pitt to DC. I'd like to do it again completely unsupported as a build up to a longer tour this fall. I thought I'd start the process by picking the major new items I'll need to pick up, starting with the tent. Any standouts to recommend? Any to avoid? I'm thinking 3 season/2 person but beyond that have no real idea. Any thanks would be appreciated!