Mountain lions hold territories that can stretch over a hundred square miles, and Idaho’s rugged mix of national forests, Nez Perce-Clearwater leading with 4 named sightings, followed by Caribou-Targhee, Boise, and Sawtooth, gives this solitary cat the elevation range and cover it needs to hunt deer and elk largely undetected.
Records spike in October and November, more than four times the August low, a pattern that likely tracks increased hunter and hiker traffic during fall big-game seasons more than any true change in lion movement, since this is a year-round resident rather than a seasonal visitor. NatureServe rates the species secure (S5) in Idaho, and most confirmed sightings still come from tracks, kill sites, or trail cameras rather than a direct encounter with an animal built to avoid exactly that.
Full species profile
