Leavitt Peak

Leavitt Peak

🏔️ Overview

Leavitt Peak is a prominent summit of the Sierra Nevada near Sonora Pass in eastern California. Rising to approximately 11,572 feet (3,527 meters), the mountain stands directly on the boundary between Mono County and Tuolumne County and forms one of the dominant high points of the Sonora Pass region.

The peak lies along the crest of the Sierra Nevada and reaches the highest elevation within both the Emigrant Wilderness and Stanislaus National Forest. Unlike the extensive granitic terrain associated with much of the central Sierra Nevada, the mountains around Sonora Pass are characterized by conspicuous volcanic rocks and colorful, eroded ridges.

Leavitt Peak is also accessible compared with many Sierra summits of similar elevation. The Pacific Crest Trail passes along its eastern side, and hikers commonly approach from Sonora Pass on California State Route 108 before leaving the maintained trail for the final climb.

⚡ Fast Facts

Feature	Details
Continent	North America
Country	United States
State	California
County/Region	Mono County and Tuolumne County
Mountain Range	Sierra Nevada
Parent Peak	Tower Peak
Elevation	11,572 ft (3,527 m)
Prominence	Approximately 2,044–2,045 ft (623 m)
Isolation	Approximately 11.3 mi (18.2 km)
Nearest Higher Neighbor (NHN)	Walker Mountain, SSE
Coordinates	38.28615° N, 119.65124° W
USGS Quadrangle	Sonora Pass
Protected Area	Emigrant Wilderness
Typical Summit Route	PCT from Sonora Pass followed by an off-trail/use-trail ascent

Leavitt Peak’s prominence of more than 2,000 feet makes it one of the more topographically significant mountains in this part of the Sierra Nevada. Peakbagger identifies nearby Walker Mountain as its nearest higher neighbor, while topographic prominence data place the peak in the parent lineage of Tower Peak.

📍 Location

Leavitt Peak stands several miles south of Sonora Pass, where California State Route 108 crosses the Sierra Nevada at an elevation of more than 9,600 feet. The summit occupies the Sierra crest and the boundary separating Mono and Tuolumne counties.

The mountain’s western slopes extend into the Emigrant Wilderness of Stanislaus National Forest. The high country immediately east of the crest lies close to lands administered by Humboldt-Toiyabe National Forest and the Marine Corps Mountain Warfare Training Center.

The nearby Pacific Crest Trail provides the main recreational approach. From Sonora Pass, the PCT climbs rapidly into open alpine terrain before traversing below the eastern side of Leavitt Peak.

The broader area contains several other notable mountains, including Sonora Peak to the north and Stanislaus Peak farther northwest.

📏 Elevation & Prominence

Modern LiDAR-based measurements used by Peakbagger and Lists of John place the summit of Leavitt Peak at approximately 11,572 feet (3,527 meters).

Older topographic maps commonly show an elevation of about 11,569 feet, while some references round the summit to 11,573 feet. These small differences result primarily from changes in surveying methods and vertical datums rather than any meaningful change in the mountain itself.

Leavitt Peak has approximately 2,045 feet of topographic prominence, with a key saddle at roughly 9,527 feet. That prominence makes the peak substantially more independent than many nearby Sierra summits.

Its isolation is approximately 11.29 miles, meaning that the nearest terrain reaching a higher elevation is more than eleven miles away.

Lists of John identifies Tower Peak as Leavitt Peak’s line parent. Peakbagger’s current database identifies Walker Mountain, to the south-southeast, as the nearest higher neighbor.

🪨 Geology

Leavitt Peak lies in one of the Sierra Nevada’s most distinctive volcanic landscapes.

Much of the Sierra Nevada is famous for light-colored granitic rock formed when large bodies of magma cooled underground during the Mesozoic Era. Around Sonora Pass, however, younger volcanic formations cover large portions of that older bedrock.

The mountains near Leavitt Peak include volcanic lava flows, breccias, and deposits associated with ancient lahars and other volcanic processes. The Pacific Crest Trail Association describes volcanic deposits in the Sonora Pass area as having formed largely between approximately 14 million and 6 million years ago.

Erosion has since carved the volcanic material into broad ridges, cliffs, gullies, and loose talus slopes. This geology gives Leavitt Peak and neighboring mountains a noticeably different appearance from the pale granite domes and peaks farther south in Yosemite.

The Sonora Pass region therefore represents an important transition zone between the volcanic terrain of the northern Sierra Nevada and increasingly granitic landscapes to the south.

Aspen and pine tree view with snow covered Night Cap and Leavitt Peaks – Highway 108 Roadside, California | N8Allen

🌿 Flora & Fauna

The slopes surrounding Leavitt Peak span subalpine and alpine environments. Lower portions of the approach support scattered conifers and mountain meadows, but vegetation becomes increasingly sparse as elevation rises.

Near and above timberline, plants must survive a short growing season, intense sunlight, strong winds, freezing temperatures, and long periods of snow cover. Low-growing alpine grasses, wildflowers, and hardy shrubs occupy sheltered areas between expanses of volcanic rock and scree.

The Pacific Crest Trail Association specifically warns hikers to avoid damaging fragile alpine plants when leaving the PCT for the summit.

Wildlife of the surrounding Sierra Nevada high country can include mule deer, marmots, pikas, coyotes, black bears, and numerous mountain bird species. Wildlife sightings vary considerably with season, elevation, weather, and human activity.

🥾 Hiking & Climbing Routes

Sonora Pass and the Pacific Crest Trail

The most familiar approach begins at Sonora Pass on California State Route 108.

From the pass, hikers follow the Pacific Crest Trail southward. The trail gains substantial elevation almost immediately, climbing roughly 1,200 feet during its first 2.3 miles.

The route passes through open high-country terrain beneath neighboring summits before reaching the eastern side of Leavitt Peak. Near the area above Latopie Lake, hikers can leave the PCT and follow a faint use trail or cross-country route toward the summit.

The final section is not a maintained summit trail, so navigation skills are important. Loose volcanic soil and talus can also make footing more difficult than the relatively gentle shape of the mountain might suggest.

Although the standard summer approach is non-technical hiking, the combination of mileage, elevation gain, exposure, and altitude makes it a strenuous outing.

Leavitt Lake Approach

Leavitt Peak can also be approached from Leavitt Lake, east of the Sierra crest. This alternative brings hikers into the mountain from a different direction and can provide access to ridge routes leading toward the summit.

Road conditions on the approach to Leavitt Lake can be rough, and access should be checked before relying on this route.

Snow and Mountaineering Routes

Snow-covered gullies on Leavitt Peak’s north side have also been used for mountaineering routes. These are substantially different from the ordinary summer hike and may require an ice axe, crampons, avalanche awareness, and experience traveling on steep snow.

🏔️ Field Guide Tip: For most hikers, the Sonora Pass/Pacific Crest Trail approach is the simplest way to experience Leavitt Peak. Start early, carry plenty of water, and download or carry a reliable topographic map because the final summit approach leaves the maintained PCT.

🌤️ Best Time to Visit

July through early October generally provides the most favorable conditions for hiking Leavitt Peak, although conditions vary greatly from year to year.

Heavy Sierra snowfall can leave snowfields on the approach well into summer. The Pacific Crest Trail Association advises that portions of the trail can remain hazardous before the seasonal snow has melted.

Sonora Pass itself is normally closed by snow during winter and reopens after snow removal in spring or early summer. Opening and closing dates vary with snowfall.

Summer visitors should also be prepared for rapid mountain weather changes. At nearly 11,600 feet, temperatures can be much colder than at lower elevations, strong winds are common, and thunderstorms can develop quickly.

Travelers should check current weather, wildfire restrictions, highway conditions, and Forest Service alerts before starting.

🧭 Nearby Mountains & Attractions

Sonora Pass is the main gateway to Leavitt Peak and one of the highest highway crossings of the Sierra Nevada. It also provides direct access to the Pacific Crest Trail.

Sonora Peak rises north of the pass and is another major summit of the surrounding volcanic high country.

Stanislaus Peak lies farther northwest and provides another example of the area’s rugged volcanic terrain.

Walker Mountain is located to the south-southeast and is identified by Peakbagger as Leavitt Peak’s nearest higher neighbor.

Leavitt Lake lies east of the crest and provides an alternative approach to the mountain as well as access to surrounding alpine terrain.

Kennedy Lake lies south of Leavitt Peak within the Emigrant Wilderness, surrounded by several summits and high ridges.

Yosemite National Park lies farther south, and high peaks in northern Yosemite can be visible from favorable viewpoints around Leavitt Peak.

💡 Fun Facts

Leavitt Peak is the highest point in the Emigrant Wilderness.
It is also listed as the high point of Stanislaus National Forest.
The summit lies directly on the Mono County–Tuolumne County boundary.
The Pacific Crest Trail passes close to the mountain but does not cross the actual summit.
Leavitt Peak has more than 2,000 feet of topographic prominence, making it unusually prominent for a Sierra Nevada summit of its elevation.
The mountain is named for Hiram Leavitt, an early Mono County judge.
Hiram Leavitt built a hotel near the eastern foot of Sonora Pass in 1863, serving travelers moving across the mountains.
The Sonora Pass area is notable for its volcanic geology, in contrast with the granitic landscapes associated with much of the central Sierra Nevada.

Leavitt Meadows Seen From Sonora Pass | Charlie Wittke

❓ Frequently Asked Questions

How high is Leavitt Peak?

Modern LiDAR measurements place Leavitt Peak at approximately 11,572 feet (3,527 meters) above sea level.

Where is Leavitt Peak?

Leavitt Peak is in California’s Sierra Nevada near Sonora Pass. Its summit lies on the boundary between Mono County and Tuolumne County.

Is Leavitt Peak in the Emigrant Wilderness?

Yes. Leavitt Peak forms the highest point of the Emigrant Wilderness, which covers a large area of high Sierra terrain west and south of Sonora Pass.

Is Leavitt Peak difficult to climb?

The standard summer route is primarily a strenuous hike rather than a technical climb. Most of the approach follows the Pacific Crest Trail, followed by an unmaintained ascent toward the summit. Altitude, loose rock, exposure to weather, and route-finding increase the difficulty.

Does the Pacific Crest Trail go over Leavitt Peak?

No. The PCT passes along the eastern side of Leavitt Peak, below the summit. Hikers wishing to reach the top must leave the maintained trail.

What is the parent peak of Leavitt Peak?

Topographic prominence data from Lists of John identify Tower Peak as the line parent of Leavitt Peak.

What is the nearest higher neighbor of Leavitt Peak?

Peakbagger identifies Walker Mountain, located south-southeast of Leavitt Peak, as the nearest higher neighbor in its database.

Do you need a permit to hike Leavitt Peak?

A wilderness permit is not generally required for ordinary day hiking from Sonora Pass. The U.S. Forest Service requires a wilderness permit for overnight trips into the Emigrant Wilderness. Regulations can change, so hikers should check current Forest Service requirements before traveling.

Why is Leavitt Peak volcanic when much of the Sierra Nevada is granite?

The Sonora Pass region was covered by younger volcanic deposits after the older Sierra Nevada granitic rocks had formed. Lava flows, lahars, and related volcanic materials accumulated across the region millions of years ago and remain prominent in today’s landscape.

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