Madness on Melgar is located at 9937 Melgar Dr, Whittier, CA 90603. Experience the spine-chilling "Madness on Melgar," a backyard walkthrough haunted maze that will immerse guests in a world of unsettling clowns, deranged lunatics, and eerie possessed dolls. This thrilling scare experience is set to reopen in 2026, so be sure to check the official site for updated hours, dates, and admission details.