Gibbon is an unincorporated community in Umatilla County, Oregon, United States. It is about 20 miles (32 km) east of Pendleton on the Umatilla Indian Reservation, near the Umatilla River. Gibbon is a station on the Union Pacific railroad that was named for Major General John Gibbon, who was in command of the Department of the Columbia based in Vancouver, Washington, in 1885–86. At the time the railroad was being constructed, there was a station at or near Gibbon named Mikecha, made up from the names of three civil engineers named Mink, Kennedy, and Chalk. At the beginning of the 20th century, the name of the station was changed to Bingham Springs, because it served the Bingham Springs resort, which is 8 miles (13 km) east up the Umatilla River. The name of the post office, however, remain