A mountain range of eastern California extending about 644 km (400 mi) between the Sacramento and San Joaquin valleys and the Nevada border. Mount Whitney, 4,420.7 m (14,494 ft), is the highest elevation.

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved.