Mount Baldy is located in Washoe County

Washoe County, Nevada

Washoe County is a county located in the U.S. state of Nevada. The population was 421,407 at the 2010 census. Its county seat is Reno. Washoe County includes the Reno-Sparks metropolitan area.-History:...

, Nevada

Nevada

Nevada is a state in the western, mountain west, and southwestern regions of the United States. With an area of and a population of about 2.7 million, it is the 7th-largest and 35th-most populous state. Over two-thirds of Nevada's people live in the Las Vegas metropolitan area, which contains its...

 in the Mount Rose Wilderness. The summit is 3.1 miles (5 km) north-northwest of Kings Beach, California

Kings Beach, California

Kings Beach is a census-designated place in Placer County, California, United States on the north shore of Lake Tahoe. It is part of the Sacramento–Arden-Arcade–Roseville Metropolitan Statistical Area. The population was 3,796 at the 2010 census, down from 4,037 at the 2000 census.The...

 and 2.4 miles (3.9 km) northwest of Incline Village, Nevada, both of which are on the north shore of Lake Tahoe

Lake Tahoe

Lake Tahoe is a large freshwater lake in the Sierra Nevada of the United States. At a surface elevation of , it is located along the border between California and Nevada, west of Carson City. Lake Tahoe is the largest alpine lake in North America. Its depth is , making it the USA's second-deepest...

.

The highest point in Placer County, California

Placer County, California

Placer County is a county located in both the Sacramento Valley and Sierra Nevada regions of the U.S. state of California, in what is known as the Gold Country. It stretches from the suburbs of Sacramento to Lake Tahoe and the Nevada border. Because of the expansion of the Greater Sacramento,...

is on Mount Baldy's west ridge about 260 feet (79.2 m) west-southwest of the summit.