Confederated Tribes of the Umatilla Indian Reservation

Confederated Tribes of the Umatilla Indian Reservation
Name	Confederated Tribes of the Umatilla Indian Reservation
Regions	United States (Oregon)
Languages	English, Sahaptin, Nez Perce
Related groups	Cayuse, Umatilla, Walla Walla

Confederated Tribes of the Umatilla Indian Reservation is a federally recognized tribe formed by the Cayuse, Umatilla, and Walla Walla peoples. The tribe's reservation is located near Pendleton in northeastern Oregon. Its modern governance operates under a constitution ratified in 1949, and it has become a significant economic and cultural force in the region, managing diverse enterprises and actively preserving its languages and traditions.

History

The ancestral homelands of the Cayuse, Umatilla, and Walla Walla encompassed the vast Columbia River Plateau. Early contact with Euro-Americans included the Lewis and Clark Expedition in 1805 and the establishment of the Whitman Mission near Walla Walla. The 1847 Cayuse War, triggered by the Whitman massacre, led to increased U.S. military pressure. This culminated in the 1855 Treaty of Walla Walla, negotiated by Isaac I. Stevens and Joel Palmer, which established the Umatilla Indian Reservation. The late 19th century saw the imposition of the Dawes Act and the Curtis Act, which aimed to dismantle tribal land holdings. The tribe's federal recognition was reaffirmed, and it adopted its constitution following the Indian Reorganization Act.

Government

The tribe is governed by a nine-member Board of Trustees elected by the general council. This structure was established under a constitution approved by the Department of the Interior in 1949. Key governmental branches include a tribal court system and various departments overseeing natural resource management, health services, and education. The tribe maintains a government-to-government relationship with the U.S. Congress, the Bureau of Indian Affairs, and the state of Oregon. It is also an active participant in intertribal organizations like the Affiliated Tribes of Northwest Indians.

Culture and language

The tribe is dedicated to revitalizing its traditional languages, which include the Sahaptin dialect of the Umatilla and Walla Walla and the Nez Perce language of the Cayuse. Cultural preservation is centered at the Tamástslikt Cultural Institute, an internationally recognized museum and research center. Annual celebrations such as Root Feast and the Treaty of 1855 commemoration are vital, alongside traditional practices like salmon fishing, camas harvesting, and horse culture. The tribe's Veterans are honored in ceremonies, reflecting deep cultural values.

Economy

The tribe's economic development is driven by the CTUIR's for-profit arm, Cayuse Technologies, and the Wildhorse Resort & Casino complex, which includes a hotel, golf course, and cinema. Other significant enterprises include Yellowhawk Tribal Health Center, a tribal fisheries program managing salmon and steelhead populations, and agricultural operations on reservation lands. Revenue supports tribal government services, infrastructure, and per capita payments to members. The tribe also engages in energy development and environmental mitigation projects through its Department of Natural Resources.

Geography and land base

The Umatilla Indian Reservation spans approximately 172,000 acres in Umatilla County and Union County. It is situated east of Pendleton, bordered by the Umatilla River and the Blue Mountains. The land base includes significant agricultural areas, riparian zones along the Columbia River, and ceded territories off-reservation where the tribe retains hunting, fishing, and gathering rights as affirmed by the 1855 treaty. The tribe actively manages natural resources, including the Umatilla River Basin and critical habitat for salmon.

Notable people

Notable figures from the tribe include Donald G. Sampson, a former Board of Trustees chairman and executive director of the Columbia River Inter-Tribal Fish Commission. Antone Minthorn served as a long-time chairman and a key leader in economic development. Cultural knowledge keepers like the late Lillian P. Sampson and language educators have been instrumental in preservation efforts. Contemporary leaders such as Kat Brigham, current Board of Trustees chair, continue to guide the tribe in governance and advocacy at state and federal levels.

Category:Native American tribes in Oregon Category:Federally recognized tribes in the United States