Tiltill Valley is a remote valley in northerwestern

Yosemite National Park Yosemite National Park ( ) is a List of national parks of the United States, national park of the United States in California. It is bordered on the southeast by Sierra National Forest and on the northwest by Stanislaus National Forest. The p ...

. It is accessible only to hikers and equestrians. The valley is most easily reached via trail heads in the vicinity of the

Hetch Hetchy Valley Hetch Hetchy is a valley, reservoir, and water system in California in the United States. The glacial Hetch Hetchy Valley lies in the northwestern part of Yosemite National Park and is drained by the Tuolumne River. For thousands of years before ...

and

Lake Eleanor Lake Eleanor is a reservoir located in the northwestern backcountry of Yosemite National Park at an altitude of . The reservoir has a capacity of and a surface area of 953 acres (3.9 km2). Geography The reservoir is situated in a glacier c ...

. The valley provides access to many remote alpine lakes throughout the largely untamed wilderness that defines the northern portion of Yosemite National Park and the adjacent Emigrant Wilderness.

References

Landforms of Yosemite National Park Valleys of Tuolumne County, California Valleys of California {{US-NationalParkService-stub