Lookout Mountain is located at the northwest corner of the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Georgia

Georgia (U.S. state)

Georgia is a state located in the southeastern United States. It was established in 1732, the last of the original Thirteen Colonies. The state is named after King George II of Great Britain. Georgia was the fourth state to ratify the United States Constitution, on January 2, 1788...

, the northeast corner of Alabama

Alabama

Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...

, and along the southern border of Tennessee

Tennessee

Tennessee is a U.S. state located in the Southeastern United States. It has a population of 6,346,105, making it the nation's 17th-largest state by population, and covers , making it the 36th-largest by total land area...

 at Chattanooga

Chattanooga, Tennessee

Chattanooga is the fourth-largest city in the US state of Tennessee , with a population of 169,887. It is the seat of Hamilton County...

. Lookout Mountain, along with Sand Mountain

Sand Mountain (Alabama)

Sand Mountain is a sandstone plateau in northeastern Alabama and northwestern Georgia. It is part of the southern tip of the Appalachian mountain chain. Geologically a continuation of Walden Ridge, Sand Mountain is part of the Cumberland Plateau, separated from the main portion of the plateau by...

 to the northwest, makes up a large portion of the southernmost end of the Cumberland Plateau

Cumberland Plateau

The Cumberland Plateau is the southern part of the Appalachian Plateau. It includes much of eastern Kentucky and western West Virginia, part of Tennessee, and a small portion of northern Alabama and northwest Georgia . The terms "Allegheny Plateau" and the "Cumberland Plateau" both refer to the...

. The summit, called "High Point", is located just east of Thompsonville in Walker County, Georgia

Walker County, Georgia

Walker County is a county located in the U.S. state of Georgia. It was created on December 18, 1833 from land formerly belonging to the Cherokee Indian Nation. As of 2000, the population was 61,053. The 2007 Census Estimate shows a population of 64,554...

, and has an elevation of 2392 feet (729.1 m) above sea level. The foothills of the mountain extend into Chickamauga and Chattanooga National Military Park

Chickamauga and Chattanooga National Military Park

Chickamauga and Chattanooga National Military Park, located in northern Georgia and eastern Tennessee, preserves the sites of two major battles of the American Civil War: the Battle of Chickamauga and the Chattanooga Campaign.-History:...

.