How to Pack a Hiking Backpack for Dogs | Balance First

Packing a dog’s hiking backpack comes down to two jobs: balancing the load and keeping it light. Most gear makers and outdoor experts agree on the 25% rule — the pack plus everything inside it should stay at or below a quarter of your dog’s body weight, and lots of dogs do better at 10–15%. Get the weight distribution wrong and you’ll end up with a sore dog and a miserable hike.

How Should You Distribute the Weight?

Heavy items go low and forward, closest to the dog’s shoulders and spine. That keeps the center of gravity stable and stops the pack from swinging. Start by laying your gear into two piles that feel equal, then load each saddlebag the same way.

• Pack heavier items (water, food) in the front and inner part of each saddlebag, nearest the body.
• Keep sharp or hard objects pressed away from the dog’s back to avoid pressure points.
• Fill the remaining space with lighter gear and cinch the compression straps so nothing shifts.

One-sided loading is the most common mistake. Re-weigh or re-handle both sides after packing — a dog will compensate for an uneven load, and that compensation strains joints over a long trail.

What’s the Right Total Weight for Your Dog?

The 25% figure is the ceiling, not the target. Ruffwear, a leading dog-gear brand, states that total carrying weight should stay under 25% of body weight. REI’s guidance aligns: most dogs are best suited to 10–15%, with higher loads reserved for working breeds conditioned for heavy carrying over time.

For a 50-pound dog, that means a 5–7.5 pound pack is the comfortable zone, and 12.5 pounds is the hard maximum. A brand-new or out-of-shape dog should start much lighter, and a growing puppy shouldn’t carry much at all. When in doubt, run your plan past your vet before the first loaded hike.

How Do You Fit and Train a Dog for Pack Carrying?

Measure the chest girth — the widest part of the rib cage — when sizing a pack, since most manufacturers size their packs to that number. Once fitted, adjust the straps so the pack sits snug but never tight; you should be able to slide two to three fingers under the neck and belly straps.

Training matters as much as fitting. REI’s experts recommend introducing the pack at home empty, letting the dog wear it on short walks, then adding a few pounds gradually. One source suggests waiting until a dog is about two years old before regular pack work, when joints are fully developed. Take a dog straight from zero to a full load and you’ll likely get refusal, chafing, or an injury.

If you’re ready to compare well-reviewed packs for your dog’s size, our tested roundup of top-rated dog hiking packs breaks down fit, capacity, and durability side by side.

What Should Actually Go Inside the Pack?

Keep the load useful. The items that get recommended on every serious source are water with a collapsible bowl, dog food or high-energy treats for longer outings, and poop bags. A canine first-aid kit earns its space on multi-hour hikes. Leash, ID tags, booties for rough terrain, and a rain jacket or cooling bandana are worth adding when conditions call for them. On overnight trips, a lightweight blanket helps your dog sleep warm.

Everything else is negotiable. If an item doesn’t serve the hike or the dog, leave it home — the lightest pack is the best pack.