Three Rivers Resort, a Class 3 Facility in Florence, Oregon.The Confederated Tribes of Coos, Lower Umpqua and Siuslaw owns and operates: The tribe runs a language program to revive Coos and Siuslaw. Formerly they spoke the Coos language and Siuslaw language (Siuslaw and Kuitsh dialects), which is a language isolate. Members of the Confederated Tribes of Coos, Lower Umpqua and Siuslaw speak English. The current tribal government leadership is as follows: The tribe is governed by a democratically elected general council, serving four-year terms. The Confederated Tribes of the Coos, Lower Umpqua and Siuslaw Indians are headquartered in Coos Bay, Oregon. Government Tribal Council of the Confederated Tribes of Coos, Lower Umpqua and Siuslaw Indians The service area of the Confederated Tribes of the Coos, Lower Umpqua and Siuslaw Indians include lands a five-county area spanning Coos, Curry, Lincoln, Douglas, and Lane Counties. The Confederated Tribes of the Coos, Lower Umpqua and Siuslaw Indians of Oregon are a federally recognized Native American tribe of Hanis Coos, Miluk Coos, Lower Umpqua (or Kuitsh), and Siuslaw people in Oregon. Other Coos, Lower Umpqua, and Siuslaw people English, formerly Coos, Siuslaw, and Kuitsh (Lower Umpqua)