Oregon Zoo Howloween 📅 Saturday, Oct 17 · 9:30 AM 📍 Oregon Zoo, 4001 SW Canyon Rd (Washington Park) 🗓️ Local Events — Portland Metro · 🏛️ via Oregon Zoo · official site ↗ The zoo's family-friendly Halloween: costumed kids join a wildlife-themed scavenger hunt and grab a treat bag (activities free with zoo admission; treat bags a small add-on). Weekends Oct 17–25, 9:30am–4:30pm — plus the annual Squishing of the Squash, when the elephant herd demolishes a giant pumpkin, Sat Oct 17 at 1pm. ZooLights returns Nov 20.