Echo Summit is a mountain pass over the Sierra Nevada in the western United States, located in eastern El Dorado County, California.

At 7,377 ft (2,249 m) above sea level, it is the highest point on U.S. Route 50 in California, which traverses it at postmile 66.48 between Twin Bridges and Meyers, south of Lake Tahoe.

)[8] The Echo Summit site opened in July as a training camp for high-altitude acclimation, with an elevation similar to the Olympic Stadium in Mexico.

[2] Installation was completed in early July and was designed to be easily dismantled and reinstalled, being moved the following summer to nearby South Tahoe Middle School where it survived until 2006.

Installed southwest of the summit in the parking lot of a small ski area, hundreds of Ponderosa pine trees remained in the infield, densest on the north end.