Yosemite High Mountain Traverse

Expedition Itinerary: Yosemite High Country Traverse

Primary Objective: end-to-end traverse

Trip Duration: 4 days

Total Estimated Mileage: ~42 miles

Experience Level: advanced

Terrain Type: large mountains

- Cumulative elevation gain/loss (ft): 8000 ft

- Start and end trailhead: Tuolumne Meadows, CA to Happy Isles, CA

- GPS coordinates: 37.8807, -119.3381 to 37.7335, -119.5582

- Permits: Obtainable through the Yosemite National Park wilderness permit system

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DAY 1: Tuolumne Meadows, CA to Cathedral Lake

- Distance and elevation gain/loss: 7 miles, +1000 ft

- Terrain description: Alpine meadows transitioning to granite ridges

- Notable features or side quests: Explore the stunning Cathedral Peak views

- Key water sources: Streams near Cathedral Lake

- Campsite location: Cathedral Lake

- Wildlife or safety notes: Watch for marmots and secure food properly

- Trail tip: Start early to enjoy the morning light on the peaks

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DAY 2: Cathedral Lake to Sunrise Creek

- Distance and elevation gain/loss: 13 miles, +2500 ft

- Terrain description: Varied terrain with forested areas and exposed granite sections

- Notable features or side quests: Sunrise Mountain panorama

- Key water sources: Long Meadow, Sunrise Creek

- Campsite location: Sunrise Creek

- Wildlife or safety notes: Stay bear-aware; use bear boxes

- Trail tip: Wear layers to manage temperature changes across elevations

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DAY 3: Sunrise Creek to Little Yosemite Valley (via Half Dome)

- Distance and elevation gain/loss: 12 miles, +3500 ft (including Half Dome)

- Terrain description: Challenging climbs, especially on Half Dome cables

- Notable features or side quests: Half Dome summit for iconic views

- Key water sources: Streams on approach and return

- Campsite location: Little Yosemite Valley

- Wildlife or safety notes: Half Dome's cables demand caution; check weather conditions

- Trail tip: Use gloves for the Half Dome cables for better grip

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DAY 4: Little Yosemite Valley to Happy Isles, CA

- Distance and elevation gain/loss: 10 miles, -3000 ft

- Terrain description: Descending through forests and waterfalls

- Notable features or side quests: Nevada and Vernal Falls

- Key water sources: Waterfalls along the trail

- Wildlife or safety notes: Steep descent, watch your footing

- Trail tip: Refill water bottles at waterfalls and stay hydrated

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CAMPSITE INTEL

- Camp names and elevation: Cathedral Lake (9,288 ft), Sunrise Creek (8,160 ft), Little Yosemite Valley (6,100 ft)

- Fire restrictions: Fires are prohibited above 9,600 ft

- Bear safety and food storage: Use provided bear boxes

- Best views (sunrise/sunset): Cathedral Lake, Half Dome summit

- Noise level or solitude factor: Popular locations; expect some trail traffic

- Nearest water source: Nearby creeks and lakes at each campsite

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WEATHER & ALTITUDE NOTES

- Typical temps: 50-80°F in July

- Sun exposure: High; use sunscreen

- Acclimatization tips: Spend an extra day at higher elevation before starting if possible

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GEAR CHECKLIST (10 ESSENTIAL ITEMS)

List tailored to terrain and season

- Navigation tools (map, compass)

- Water filtration system

- Sunscreen and sunglasses

- First aid kit

- Fire starter and matches

- Pocket knife

- Headlamp with extra batteries

- Shelter system (tent, tarp)

- Insulating layers

- Nutrition/snacks (high-calorie options)

Pro tips: Invest in lightweight trekking poles for stability and pack blister prevention supplies

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OPTIONAL UPGRADES

- Scenic side trips: Visit Cloud’s Rest for exceptional views

- Photo-worthy moments: Sunset at Cathedral Lake

- Post-hike food or reward suggestion: Pizza at Curry Village

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FINAL BRIEF SUMMARY

- Trail hours per day: 6-10 hours

- Wake/sleep rhythm: Early morning starts recommended

- Estimated calories burned per day: 3500 calories

- Water needed per person: 3-4 liters

- Recommended pack weight range: 25-35 lbs

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Prepare accordingly and respect all wilderness guidelines.

Your expedition awaits, Christopher Arace.