Hiking Mount Ingalls, California - panoramic view  tree outdoor landscape nature mountain sky autumn plant cloud background lake painting forest surrounded distance
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Hiking in Mount Ingalls, California: trails, map and practical info

Sierra Nevada • California

4.0 Appreciated by 9 hikers
François Dumaine
By François DumaineContributor since 2015Updated 26/05/2026
Difficulty
Hard
Distance
15 km
Elevation
2,552 m
Duration
8h30
Max altitude
3,379 m

This challenging 14.5 km trek through California's Sierra Nevada leads to panoramic views from 9,962 feet elevation. Expect 8 hours of alpine meadows, wildflowers, and wildlife encounters starting from Lake Ann trailhead.

Recommended for :
Intermediate hikers

Ready to explore Mount Ingalls, California? Here's everything you need to know before you go!

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Trail description

Description

Mount Ingalls rises to 9,962 feet in California's Sierra Nevada range, offering one of the region's most rewarding high-alpine hiking experiences. This challenging peak delivers the kind of dramatic mountain scenery and wilderness solitude that draws serious hikers back to the Sierra Nevada year after year.

The mountain sits in a spectacular setting surrounded by some of the Sierra's most prominent peaks. From the summit, the panoramic views stretch across the entire range, with Mount Humphreys and Mount Tom standing out among the sea of granite peaks and ridges that define this iconic landscape. On clear days, the visibility extends for miles in every direction, showcasing the raw beauty of California's high country.

The Trail Experience

Your journey begins at the Lake Sabrina trailhead, where crystal-clear alpine waters and lush greenery provide a stunning starting point. The contrast between this verdant lakeside environment and the stark alpine terrain you'll encounter higher up makes for one of the most diverse hiking experiences in the Sierra Nevada.

The 14.5-kilometer round-trip hike gains an impressive 2,552 meters of elevation, making this a genuinely challenging adventure that demands respect and preparation. Plan for approximately 8 hours to complete the full journey, though strong hikers may move faster and others may need additional time depending on conditions and experience level.

As you climb away from Lake Sabrina, the trail leads you through a remarkable transformation of ecosystems. The initial sections wind through areas of dense vegetation and seasonal wildflower displays that peak during spring and summer months. Alpine meadows dotted with colorful blooms create natural gardens that seem almost too perfect to be real.

The terrain becomes increasingly rugged as you gain elevation. Rocky sections and steep grades test your endurance and hiking skills, while the thinning air at higher elevations adds an extra challenge that reminds you of the mountain's serious nature. The trail demands good route-finding skills in places, particularly as you approach the upper elevations where the path becomes less defined.

Wildlife and Natural Features

Mount Ingalls sits in prime habitat for Sierra Nevada wildlife. Mule deer are commonly spotted throughout the area, often grazing in the meadows during early morning and evening hours. Marmots inhabit the rocky areas higher up the mountain, and their distinctive whistles often echo across the alpine landscape as they communicate with each other about potential threats.

The diverse elevation range means you'll encounter multiple plant communities during your ascent. Lower elevations support dense forest growth, while the alpine zones feature hardy plants adapted to harsh conditions, short growing seasons, and intense UV exposure. This botanical diversity adds educational value to the physical challenge of the climb.

Summit Experience

Reaching Mount Ingalls' summit represents a significant mountaineering achievement. The final approach typically involves some scrambling over granite slabs and boulders, requiring basic rock navigation skills and sure footing. The exposure increases as you near the top, adding an element of excitement for those comfortable with alpine terrain.

The summit itself provides 360-degree views that justify every challenging step of the ascent. The Sierra Nevada stretches endlessly in all directions, with jagged peaks, deep valleys, and distant ridgelines creating a landscape that feels both ancient and timeless. Mount Humphreys and Mount Tom dominate the nearby skyline, while countless other peaks fade into the distance.

Weather conditions at the summit can change rapidly, as is typical in high-alpine environments. Even on warm days at the trailhead, temperatures at 9,962 feet can be significantly cooler, and afternoon thunderstorms can develop quickly during certain seasons.

Planning and Preparation

This hike falls firmly into the "hard" difficulty category and requires serious preparation. The combination of significant elevation gain, high altitude, and challenging terrain means that proper conditioning is essential. Hikers should have experience with long, strenuous mountain hikes before attempting Mount Ingalls.

Weather conditions in the Sierra Nevada can change dramatically and without warning. Mountain weather systems move in quickly, bringing temperature drops, wind, and potential precipitation even during seemingly stable periods. Check current forecasts before departing and be prepared for conditions to deteriorate during your hike.

Essential gear includes layers for varying temperatures, rain protection, plenty of water, high-energy food, navigation tools, and emergency supplies. The high elevation and exposed terrain mean that being caught unprepared can quickly become dangerous. Sturdy hiking boots with good ankle support are crucial for the rocky terrain and potential loose surfaces.

The alpine environment around Mount Ingalls is fragile and requires careful stewardship from all visitors. Practice Leave No Trace principles throughout your hike, staying on established trails where they exist, packing out all waste, and avoiding damage to vegetation. The pristine nature of this wilderness area depends on every hiker taking responsibility for minimal impact practices.

Start early to allow plenty of time for the full journey and to reduce the risk of afternoon weather complications. The length and difficulty of this hike mean that getting a late start can lead to hiking in darkness or being caught in deteriorating conditions during the descent.

Ready to go?

Everything you need to know before you go

Where?

Address
Not available
GPS coordinates
39.994141, -120.62745
Phone
Not available

Starting Point

To access the hiking trails, you can start from the trailhead located at the end of Forest Road 139. The main parking area is at the trailhead near Lake Ann, which can be reached by taking Highway 108 to the turnoff for Forest Road 139. Follow this road until it ends at the parking lot. There are no alternative trailheads for this location.

When?

Opening hours
No information
Varies by season
Best season
Fall
Spectacular colors
Best time
Early morning
Less crowded
Weather (next days)
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How much?

Entry fees
Adult
Not available
Child
What to bring?
Gear
  • Hiking shoes Essential
  • Layered clothing Essential
  • Rain jacket Essential
  • Trekking poles
  • Headlamp
Download the PDF checklist
Water & food
2L minimum
No water point on the trail
Bring energy snacks for a 4h+ hike
Good to know
Park rules
No dogs
Safety
Download the GPX before you go
Limited cellular coverage on the trail
Slippery after rain
Be careful on rocky sections
In an emergency
Emergency
911
Parking GPS
39.994141, -120.62745
Center
Not available

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FAQ - Frequently asked questions

Everything you need to know
Hard
2552.00 M
3379.00 M
8h30
No
No
The Mount Ingalls hike is 14.5 km in total distance and takes approximately 8h00 to complete. This duration accounts for the significant elevation gain and challenging terrain throughout the trail.
Mount Ingalls features 2552 m of elevation gain, making it a very strenuous hike that requires excellent physical conditioning. The substantial elevation change contributes significantly to the trail's difficulty rating and long duration.
The Mount Ingalls trail starts from the trailhead located at the end of Forest Road 139, with the main parking area near Lake Ann. To reach it, take Highway 108 to the turnoff for Forest Road 139 and follow this road until it ends at the parking lot.
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Update : June 2026