360° VR Panoramas of Yosemite and the Central Sierra Nevada
O'Shaugnessy Dam at Hetch Hetchy
Yosemite National Park, California

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High river flow at O'Shaugnessy Dam, Hetch Hetchy Reservoir

High river flow at O'Shaugnessy Dam, Hetch Hetchy Reservoir


Yosemite National Park, California

Date photographed: May 22, 2005
See location in Google Maps

O'Shaugnessy Dam on the Tuolomne River, floods Hetch Hetchy Valley

O'Shaugnessy Dam on the Tuolomne River, floods Hetch Hetchy Valley

O'Shaugnessy Dam on the Tuolomne River, floods Hetch Hetchy Valley

Yosemite National Park, California

Date photographed: June 3, 2001
See location in Google Maps

The lodge at Hetch Hetchy is used by city of San Francisco employees

The lodge at Hetch Hetchy is used by city of San Francisco employees

The lodge at Hetch Hetchy is used by city of San Francisco employees

Yosemite National Park, California

Date photographed: June 3, 2001
See location in Google Maps

Spillway pipes at O'Shaugnessy Dam

Spillway pipes at O'Shaugnessy Dam

Flow in the Tuolumne River immediately below the dam is maintained by releases from pipes through the face of the dam.

Hetch Hetchy Valley, Yosemite National Park, California

Date photographed: June 5, 2017

Pole panorama on O'Shaugnessy Dam

Pole panorama on O'Shaugnessy Dam

Placing my camera on a pole opens up views of both the reservoir upstream and the dam face and gorge downstream.

Hetch Hetchy Valley, Yosemite National Park, California

Date photographed: June 5, 2017

Road below O'Shaugnessy Dam

Road below O'Shaugnessy Dam

An unpaved road, open to the public as a trail, leads into the gorge below O'Shaugnessy Dam on the Tuolumne River.

Hetch Hetchy Valley, Yosemite National Park, California

Date photographed: June 5, 2017

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