Wild Times in the City: Oregon Zoo is a 0.7 mile moderately trafficked loop trail located near Portland, OR 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 Sign up now to see this map! Reviews (0)Photos (1)Recordings (1)No one has reviewed this trail yet. Be the first!