Named places of Oregon and Washington, from the federal register

Lake Billy Chinook

Lake Billy Chinook is a reservoir in Jefferson County, Oregon, recorded in the federal Geographic Names Information System as feature 1138120. It sits at 593.4 metres above sea level.

Federal profile, 2026

Everything below is the federal record for this place, with each value's source named.

NameLake Billy Chinook
GNIS feature ID1138120
Kind of placeReservoir
StateOregon
CountyJefferson
Latitude44.58559
Longitude-121.36495
USGS topographic mapRound Butte Dam
First recorded11/28/1980
Elevationcalculated593.4 mUSGS EPQS point lookup at the primary coordinate
Elevation (feet)calculated1947 ftelevation_m * 3.28084

Other reservoirs

Every reservoir covered here

Other places in Jefferson County

Questions

Where is Lake Billy Chinook?

In Jefferson County, Oregon, at 44.58559, -121.36495. The USGS records it on the Round Butte Dam topographic map.

How high is Lake Billy Chinook?

593.4 metres (1947 feet), read from the USGS 3D Elevation Program at the recorded coordinate.

What kind of place is Lake Billy Chinook?

The U.S. Geological Survey classifies it as a reservoir in the Geographic Names Information System.

Where does this information come from?

The Geographic Names Information System, published by the U.S. Geological Survey, with elevation from the USGS 3D Elevation Program. Both are works of the United States government and are not subject to copyright in the United States.

Method and sources

The name, class, county and coordinates come from the U.S. Geological Survey's Geographic Names Information System, the federal register of place names. Elevation is read from the USGS 3D Elevation Program at the recorded coordinate. Values shown as calculated are arithmetic over those fields and are not separate measurements. Nothing on this page describes what the place is like to visit: no one writing it has been there, and the federal record does not say.

  • USGS Geographic Names Information System (GNIS), Domestic Names, 2026
  • USGS 3DEP Elevation Point Query Service