Pathways, exhibits, restaurants, restrooms and drinking fountains are all accessible. There is about 150 feet of elevation change from the zoo’s highest points near the main entrance to its lowest points near the Predators of the Serengeti exhibit. Guests can load and unload in a TriMet lift zone, located to the left of the zoo gates near the Zoo Store. Wheelchairs and electric scooters can be rented on a first-come, first-served basis at the front entrance next to the Oregon Zoo Gift Shop. If you visit the zoo accompanied by a service animal, check in at the reception office. There is a service dog map showing which locations are off-limits for service dogs.