North Dome, Granite dome in Mariposa County, California, United States.
North Dome is a granite formation reaching about 7,500 feet with a steep south-facing wall that drops nearly vertical toward the northeastern edge of Yosemite Valley. The summit displays bare rock with expansive views across the valley and surrounding peaks.
The granite formed during the Cretaceous period when magma cooled beneath the Earth's surface. Glaciers in later ages sculpted the rock and created the steep walls visible today.
The summit sits along routes that indigenous peoples traveled through the Yosemite region for generations. Visitors walking here today follow paths that connect to the traditional territories and movements of those communities.
The hike starts at the Porcupine Creek trailhead and passes through forest before reaching exposed rocky terrain near the top. The rock can be slippery and windy at the summit, so sturdy footwear and careful footing are important.
From the summit you look directly at Half Dome across the valley, one of the park's most recognizable views. Few visitors notice the fine scratches and grooves carved into the granite by ancient glaciers.
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