A River Routed Under the Mountains

A 20-kilometer-long tunnel under Rocky Mountain National Park diverts water from the Western Slope of the Rockies to Colorado’s Front Range and eastern plains.

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NASA Earth Observatory images by Joshua Stevens, using Landsat data from the U.S. Geological Survey and topographic data from the Shuttle Radar Topography Mission (SRTM). Story by Sara E. Pratt.

Published June 9, 2022
Data acquired September 2, 2021

Sources:

Landsat 8 > OLI

Space Shuttle > SRTM

Collection:

U.S. National Parks