The 64-acre Oregon Zoo is located in Portland, a city and surrounding metropolitan area of 2.26 million people. Attendance in 2011 exceeded 1.6 million.
Each year it contributes between $4 and $5 million to help fund the zoo's work in conservation, education and animal welfare.
The zoo has five major exhibit areas: Great Northwest, Fragile Forests, Asia, Pacific Shores and Africa. Within these large areas are 23 specialized exhibits.
The Oregon Trail is a 2,200-mile historic east-west large wheeled wagon route and emigrant trail that connected the Missouri River to valleys in Oregon. W
During eight decades in the 1800s the Oregon Trail served as a natural corridor as the United States moved from the eastern half of the continent toward the west coast
The Oregon Trail ran approximately 2,000 miles west from Missouri toward the Rocky Mountains to the Willamette Valley. A trail to California branched off in southern Idaho. The Mormon Trail paralleled much of the Oregon Trail, connecting Council Bluffs to Salt Lake City