Ishi Wilderness, Protected wilderness area in Tehama County, United States.
The 41,339-acre wilderness contains steep canyons, basalt outcroppings, and diverse ecosystems ranging from 2,800 to 7,000 feet in elevation.
Established through the California Wilderness Act of 1984, this land was home to the Yahi Yana Indians for over 3,000 years.
Named after Ishi, the final member of the Yahi tribe who emerged in 1911, the area preserves numerous Native American archaeological sites.
Visitors can access hiking trails, camping spots, and fishing opportunities at Mill Creek and Deer Creek, which support salmon and steelhead trout populations.
The wilderness hosts California's largest migratory deer herd and represents the only protected Sierra/Cascade foothill region in the state.
Location: Tehama County
Operator: US Forest Service;BLM
GPS coordinates: 40.13470,-121.75500
Latest update: May 22, 2025 13:53
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