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Climb to the top at Mortar Rock Park

KALW | By Cara Nguyen
Published December 17, 2025 at 3:19 PM PST
A rock climber holds the side of a boulder with the sunlight hitting the rock through the trees.
Tim Wan
Nelson Wu climbs up the side of a boulder at Mortar Rock Park.

Rock climber Nelson Wu takes us to Mortar Rock Park in the Berkeley hills to tell us about the art of bouldering.
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Bay Area Micro Soundscapes
Cara Nguyen
Cara Nguyen is committed to documenting the people, landscapes, melodies, and histories that make a place home.
See stories by Cara Nguyen