Adventure brief
Summit Mount Hoffman & Swim in May Lake
Climb to Yosemite’s iconic Mount Hoffman with expert guides from The Lamplighters Adventuring Society and cool off with a swim in May Lake. A private, moderately challenging trip that reveals Yosemite’s backcountry beauty beyond the crowds.
Set in the heart of Yosemite National Park, California, The Lamplighters Adventuring Society LLC offers a standout private guided hike that leads adventure seekers beyond the usual crowds to the summit of Mount Hoffman. At 10,850 feet, this peak is widely regarded as one of Yosemite’s premier viewpoints, granting an unrivaled, sweeping panorama of the park's vast granite cliffs, alpine meadows, and shimmering river valleys. The journey begins at the May Lake Trailhead, where the trail threads through forests of towering Jeffrey pines and scattered rock outcrops, hinting at the granite that dominates Yosemite’s dramatic landscape.
What makes this trip exceptional is the balance of effort and reward: a moderately strenuous 5.5-mile round trip that includes a thrilling scramble near the summit. The guide’s expertise ensures safe navigation through rocky terrain, while providing insight into Yosemite’s unique ecosystems—like the subalpine flora clinging to life at high elevation. Upon reaching the summit, you’ll feast on a carefully prepared picnic lunch while absorbing unparalleled views that stretch across the High Sierra, including sights of Half Dome and Clouds Rest.
The adventure doesn’t end at altitude. On the descent, you’ll refresh with a swim in May Lake’s crystal-clear waters, a serene alpine basin surrounded by granite cliffs, perfectly cool after the exertion. This quiet backcountry experience is especially prized for steering visitors away from crowded valley floors into Yosemite’s tranquil, lesser-known wilds.
Lamplighters Adventuring Society’s tours blend local wilderness expertise with personalized service, making this hike a rare chance to connect deeply with Yosemite’s natural grandeur. For anyone seeking a rewarding day of hiking, scrambling, and swimming framed by some of California’s most iconic landscapes, this excursion delivers an accessible yet exhilarating outdoor experience designed for memory-making and breathtaking vistas.
Adventure tips
Plan your experience.
Curated tips for an optimal adventure.
- 01Start Earlyessential
Begin your hike in the morning to avoid afternoon thunderstorms common in the High Sierra.
- 02Wear Sturdy Footwearessential
Rock scrambling near the summit requires good grip and ankle support.
- 03Pack a Swimsuitinfo
Bring swimwear and a quick-dry towel to enjoy May Lake after the hike.
- 04Bring Layersessential
Temperatures vary greatly with elevation; dress in moisture-wicking layers for comfort.
Recommended gear
What to bring.
Hiking Boots
Provides ankle support and grip for rocky and uneven terrain.
EssentialTrekking Poles
Helpful for stability on ascents, descents, and scrambling sections.
Layered Clothing
Adjusts to changing temperatures from forested trails to alpine summit.
EssentialSwimsuit and Quick-Dry Towel
Perfect for cooling off with a swim in May Lake after your hike.
summerLocal insights
Context for the journey.
Nearby secrets
Mount Hoffman's granite outcrops with unique fissure patterns, Quiet shoreline coves at May Lake with stunning reflections
Local fauna
Mule deer commonly seen on the trail, Pika heard in rocky talus slopes
Historic heritage
Yosemite National Park was established in 1890 and is famed for granite formations sculpted by glaciers over millennia.
Mindful exploration
Visitors are encouraged to practice Leave No Trace principles to protect Yosemite’s delicate alpine environments.
Photography tips
Capture the moments
- Viewpoints
- Mount Hoffman summit, May Lake shoreline, High Sierra vistas along the trail
- Subjects
- expansive landscapes, wild alpine flora, reflections in May Lake
- Best times
- Golden hour, early morning, late afternoon
Frequently asked questions
Before you go.
Is the hike suitable for beginners?
The hike is moderately challenging and includes some scrambling, so basic hiking experience is recommended.
Do I need to bring my own food and water?
Lunch, snacks, and hydration are provided by the guide, but you may bring extra if desired.
Are pets allowed on this hike?
Pets are not permitted due to regulations within Yosemite National Park.
What is the best time of year to do this hike?
Late spring through early fall offers the best trail conditions and weather.
How difficult is the scramble near the summit?
The scramble involves hands-on rock climbing but is manageable with guidance and proper footwear.
Can I swim in May Lake year-round?
Swims are best in summer when water temperatures are milder; in other seasons, the lake is often too cold.