We believe it's highly unlikely bears will be attracted to the system, as Subpod is virtually odorless. Subpod also has the option of a lock system so you can padlock it preventing clever animals from lifting open the lid. Subpod's lid is also, extremely strong and durable since it has the capacity to hold 440 pounds of weight!In saying all this, as you're well aware, bears are powerful creatures and if they are hungry or curious they can break into anything!