Essentials
Canoe
Paddle
PFD
Sunscreen
Sunglasses w/strap
Water bottle
Energy Snacks
Footwear
Hat (warm +/or sun)
Secure storage for
    car keys
Dry storage:
    Bags and/or boxes
First Aid kit
Whistle
Knife
Canoe Rack

Optional
Matches / lighter
Camera / Binoculars
Rain gear / warm clothes
Insect repellent
Gloves or poagies
Map case and maps
Compass
Field Guides (Birds, etc)

For rough conditions  
(big open water and whitewater)
Spare paddle
Flotation
Helmet
Wet suit/Dry suit
Repair Kit (duct tape)
Moving water rescue kit
    Throw rope
    Slings (2+)
    Prusiks (2+)
    Carabiners (3)
    Pulley, twist open (2)
    Folding saw
    Pocket tool(“Leatherman”)
    Rescue Book