The sun-baked south slopes are covered with chaparral brush.
Pines and oaks thrive on the moister slopes facing north and lush damp forests line the river banks.
This area is home to pine clusters, dense areas of ponderosa pine growing on terraces in river cut canyons.

The largest migratory deer herd in California, the Tehama deer herd, winters in this wilderness area.
Wild hogs, mountain lions, black bears, coyotes, bobcats and rabbits also live here.
A State Game Refuge, where hunting is not permitted, occupies most of the Ishi Wilderness.

Special fishing regulations are in effect for fishing in Deer and Mill Creeks, home to many fish species.
A valid California fishing license is required.

A variety of raptors including hawks, eagles, falcons, and owls nest in the rock cliffs.
Wild turkey, quail, mourning doves, canyon wrens, band-tailed pigeons, and many songbirds are frequently seen.
The sun-baked south slopes are covered with chaparral brush. Pines and oaks thrive on the moister slopes facing north and lush damp forests line the river banks. This area is home to pine clusters, dense areas of ponderosa pine growing on terraces in river cut canyons.
The largest migratory deer herd in California, the Tehama deer herd, winters in this wilderness area. Wild hogs, mountain lions, black bears, coyotes, bobcats and rabbits also live here. A State Game Refuge, where hunting is not permitted, occupies most of the Ishi Wilderness.
Special fishing regulations are in effect for fishing in Deer and Mill Creeks, home to many fish species. A valid California fishing license is required.
A variety of raptors including hawks, eagles, falcons, and owls nest in the rock cliffs. Wild turkey, quail, mourning doves, canyon wrens, band-tailed pigeons, and many songbirds are frequently seen.
Ishi Wilderness