The highest point in the lower 48 states sits on a continental divide.

Countries & Cities · Published 30 September 2026 Swipe more like this →

In short: Rising dramatically above the Owens Valley, Mount Whitney is the tallest peak in the contiguous United States. While its summit is a destination for climbers, its geography is a complex intersection of national forests, national parks, and the critical divide between two massive drainage basins.

Standing at an elevation of 14,505 feet (4,421 meters), Mount Whitney is the highest point in the contiguous United States and the highest peak in California. It is located in East–Central California, marking the border between Inyo and Tulare counties. The mountain's topography is characterized by a partially dome-shaped summit and jagged ridges that extend from its sides.

The peak serves as a significant hydrological boundary, sitting on the Sierra Crest and the Great Basin Divide. The drainage patterns are split: waterways on the western slope flow into Whitney Creek and eventually the Kern River, which terminates in the Tulare Basin. Conversely, water on the eastern slopes flows toward Lone Pine Creek. Much of this eastern water is diverted into the Los Angeles Aqueduct, while some continues to the Owens River and Owens Lake.

For those seeking to summit, the mountain is the most frequently climbed peak in the Sierra Nevada. Because of this popularity, a permit system is required to minimize the environmental impact on the backcountry. The most common route is the 10.7-mile trail from Whitney Portal, which begins at an elevation of 8,360 feet. While technical equipment like ice axes and crampons may be necessary in the spring, the climb generally does not require technical gear between mid-July and early October.

The environment at the summit is an alpine ecology above the tree line, where life is sparse. Vegetation is limited to low-growing plants like the sky pilot cushion plant, and animal life is largely transient, including the gray-crowned rosy finch and the Parnassius phoebus butterfly.

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