Written in stone: The geology of Truckee–Tahoe

Written in stone: The geology of Truckee–Tahoe

Vast, polished granite walls rise from forests and lake shores, shaped by forces far older than the rock climbers who now trace routes across them. Standing beneath formations like Snowshed Wall at Donner Summit, where climbers begin inching their way up the stone as soon as the snow melts, it’s hard not to wonder: how did this landscape come to look like this? If Truckee-Tahoe’s rocks could speak, they would tell a story stretching back million…