A Boston Terrier dog stands with its front paws on the edge of a kayak in a lake near Banff, Alberta. Getting outside, with your dog in tow, is a joyful way to go on a hike, paddle, or camping trip.

If you’re looking to upgrade your hiking and camping gear ahead of fall, now is your chance—Amazon is slashing deals on hundreds of items for Labor Day weekend. Right now, shoppers can score big on ...