High Quality Content by WIKIPEDIA articles The path followed by the Oregon Trail, California Trail and Mormon Trail (collectively referred to as the Emigrant Trail) spans 400 miles (640 km) through the U.S. state of Wyoming. The trail enters from Nebraska on the eastern border of the state near the present day town of Torrington and exited on the western border near the towns of Cokeville and Afton. An estimated 350,000 to 400,000 settlers traveled...