How to make a trash can bear proof

The honest engineering answer: you cannot reliably retrofit an ordinary trash can to resist a bear. A raccoon levers a lid, so a strap defeats it. A bear applies several hundred pounds of force, uses claws and teeth on the body of the can, and will simply carry it away. Those are different problems.

Bungee straps, heavier lids, latches intended for animals and improvised locks all fail against a bear, and several of them fail in a way that leaves you with a broken can as well as scattered trash. The manufacturers of the good straps say so themselves — Blazer specifies raccoons, squirrels and crows, not bears. Straps and what they are for. The certified containers that do work, ranked.

1. Step 01

   Change when the trash goes out — this is the biggest one

   Put the can out on collection morning, never the night before. Bears forage at night. A can that appears at 6am and is emptied at 9am is exposed for three hours instead of twelve, and this single change prevents more raids than any hardware. It costs nothing.

2. Step 02

   Store the can somewhere a bear cannot reach it

   Inside a garage, a solid outbuilding or a substantial structure — not a resin enclosure, which is concealment rather than containment. Removing access entirely beats defending against entry every time. Why garage storage has its own trade-off.

3. Step 03

   Buy a certified bear-resistant container if you need one outside

   This is the only hardware that genuinely works. Look specifically for IGBC certification — the Interagency Grizzly Bear Committee standard that wildlife agencies reference — rather than a marketing claim of 'bear proof'. Certified curbside carts are mostly sold through haulers and municipalities rather than retail, so ask yours first; the certified containers you can order online are park-scale.

4. Step 04

   Remove the smell that attracts them from a distance

   Bears have an extraordinary sense of smell. Freeze meat, fish and bones until collection morning. Rinse the can regularly. Do not leave pet food, bird feeders or barbecue grease outside — a surprising share of bear visits start with something other than the trash. Washing an outdoor can.

5. Step 05

   Check your local requirements before you buy anything

   Some jurisdictions mandate specific certified models, some run subsidy programs, and some haulers will not service a latch they cannot operate. This is genuinely local, we cannot tell you what yours says, and it is worth a phone call before you spend several hundred dollars.

“Bear proof” is not a regulated term and anybody can print it on a box. “IGBC tested” is a specific thing: the Interagency Grizzly Bear Committee runs a standardized testing protocol, and containers that pass it are the ones wildlife agencies and national parks reference in their own guidance.

So when comparing products, look for the certification reference rather than the adjective. The catch is distribution: the manufacturers who make certified curbside carts — Toter's Bear Tough line among them — sell them through dealers and municipal contracts, not retail listings. A certified container you cannot buy, or one your hauler cannot lift, is not a solution. That is why the practical products on this page are a certified fixed-site container and two lid locks you can fit to the cart you already have.

01 — Best retrofit for a can you own

ANKS Bear and Raccoon Proof Trash Can Lock

A hooked strap that clamps a lid to a rim on anything from a 28-gallon can to a 96-gallon cart, for the price of a takeaway.

Fits

28-96 gallon bins, round or square, wheeled or not

Strap range

22.64" to 37.1" adjustable

Hook

Rust-resistant metal with an anti-slip rubber coating

Install

Tool-free, by hand

Certification

None — a deterrent, not a tested container

Certified bear-resistant containers cost hundreds and only exist in a few sizes. This is the other approach: a rust-resistant metal hook with an anti-slip rubber coating on a nylon strap that adjusts from 22.64 to 37.1 inches, hooked from the lid handle to the rim. It installs by hand in seconds with no drilling, stays flexible through a freeze, and the high-visibility orange version exists specifically so a collection crew can spot and release it before the truck lifts the cart.

What we'd flag: this is a deterrent, not a certification. It is not IGBC tested and nothing strapped to a plastic lid will stop a determined bear — in bear country a tested container is the product, and this is what you buy when one is not available in your size or budget. Your can must have a lid handle, and the lid-handle-to-rim distance has to be 37.1 inches or less.

$9.49 · View on Amazon

$16.99 · 44% off · Price as of November 14, 2026.  #ad How we make money

We would rather set expectations than have you find these out after spending the money.

• It costs several times an ordinary cart. That is the price of a mechanism designed to resist several hundred pounds of force.
• The latch is harder for you to open too. A latch a bear cannot defeat is a latch that takes deliberate effort, and in gloves in winter that is a real daily annoyance.
• Your hauler may not be able to service it. Automated arms cannot operate a latch. Confirm before buying — this is the mistake that turns an expensive can into an expensive planter.
• It is heavy. Certified containers are substantially heavier than a standard cart, empty and full.
• It does not solve odor. A sealed container in summer sun is still a sealed container full of warm trash. Odor is a separate problem.

And if bears are not actually your problem — if it is raccoons, or a neighbor's dog — this is a great deal of money for the wrong defense. The raccoon page starts with a strap for a reason.