What should a safe pool gate look like in Las Vegas? A backyard pool gate should help prevent unsupervised access to the pool area. Important safety features include an adequate barrier height, a non-climbable design, outward gate swing, and a gate that automatically closes and positively latches without someone having to pull it shut. Pool barriers are especially important for families with young children. The CDC reports that drowning is the leading cause of death for U.S.