Lyell Canyon, High-altitude canyon in Yosemite National Park, California.
Lyell Canyon is a high-altitude valley in Yosemite National Park that stretches across subalpine meadows and forested areas, following the Lyell Fork of the Tuolumne River. The terrain gradually rises through this corridor, with steep granite ridges framing the landscape on both sides.
The canyon was named after Charles Lyell, a 19th-century geologist whose work shaped modern understanding of Earth sciences. His theories about geological change had broad influence on the scientific community of his time.
The John Muir Trail and Pacific Crest Trail pass through the canyon, making it a key destination for long-distance hikers traveling across the Sierra Nevada.
Access begins at a trailhead near Tuolumne Meadows campground, with the initial stretch following a gentle grade suitable for most hikers. Weather can change quickly in this high-altitude environment, so bring layers and water for the journey.
The elevation rises from about 8,000 feet to 10,826 feet at Donohue Pass, creating distinct ecological zones within the canyon. This dramatic change in altitude allows visitors to experience multiple ecosystems during a single hike.
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