This chipmunk lives in coastal mountains of northern California. It occupies redwood and mixed-conifer forests, forages on the ground, and also climbs low branches.
Its dark coat has alternating pale and dark stripes along the face and back, with a pale patch behind the ears; the tail is relatively long.
In redwood and mixed-conifer forests, it forages on the ground and climbs low branches. Cheek-pouch examinations recorded fungi in its diet in late winter and early spring.
An extinction-risk assessment has not been added yet.