Wild Times in the City: Oregon Zoo is a 0.7 mile moderately trafficked loop trail located near Portland, Oregon and is rated as moderate. The trail is primarily used for walking and nature trips and is accessible year-round. 0.7 miles 52 feet Loop nature trips walking Expand Map VIEW FULL MAP Sign up now to see this map! Reviews (0)Photos (1)Recordings (1)No one has reviewed this trail yet. Be the first!