They must be nearby. Ken Cole saw one cross Highway 12 about 40 miles SW just the other day-
Biologists hunt for fisher hair in Fish Creek. By Rob Chaney. Missoulian. “The Selway-Bitterroot Wilderness appears to be such good fisher habitat that it may hold the last original Montana and Idaho species – unrelated to the transplants that populate the Panhandle and Cabinet Mountains.”
In fact it was immediately north of the Selway-Bitterroot Wilderness that Ken saw the fisher on Highway 12. Fish Creek in Montana is in the Bitterroot Mountains, west of Missoula.