Like-Top water said " Check the wheel bearings too, a few shots of fresh grease on them is always a good idea." I can't stress that enough (from experience). A bearing going bad on a long trip can ruin things in a hurry. Also it's really good to have a spare tire/wheel (also from experience). Back in the days when we towed the boat back home here in Beverly, a one and a half hour trip turned into about 5 because I had no spare.
Have a great trip; Champlain is a beautiful lake.