HD 110 covers the country between Libby and the Idaho line—the lower Kootenai River drainage, the Cabinet face on the south, and the Purcell country running north toward the BC border. Elevations run from about 2,000 feet on the Kootenai up to 7,705 feet on Snowshoe Peak in the Cabinets, but the bulk of the unit lives in the 3,000 to 5,500-foot range that whitetail love. The forest is the wettest in Montana—western larch, western red cedar, western hemlock, grand fir, Douglas fir, all of it grown thick and dark with an understory of devil's club, ferns, and brush you can't see ten feet through. The Yaak River and Lake Creek are the named drainages most hunters key on; the Yaak corner up by the Three Rivers store is its own little world. Whitetail are the headline animal—genuinely good bucks living in the river bottoms and the cutblock edges. Elk and mule deer are around but secondary. Kootenai National Forest covers most of the unit, with Stimson, Weyerhaeuser-legacy, and other industrial timber holdings woven through it; many of the timber tracts run as walk-in or block management, but check current FWP listings because they shift year to year. US-2 follows the Kootenai, MT-37 climbs up to Lake Koocanusa, and the Yaak Highway (FR 92) is the main artery into the Yaak. Libby has gas, groceries, motels and a hospital; Troy is smaller but covers the basics; the Dirty Shame Saloon up in Yaak is a meal and a story. Cell service exists in Libby and dies fast once you head up the side drainages. This is grizzly country—both the Cabinet-Yaak and the Selkirk recovery zones overlap here—so spray on your hip is non negotiable. Lots of logging-road glassing, lots of still-hunting cutblock edges, and a tag-out usually comes from sitting an old skid trail in the rain. HD 110 (Thompson Falls / Plains / lower Clark Fork) is quintessential western Montana whitetail country — some of the biggest-bodied, heaviest-antlered whitetail in the state come from these Clark Fork River bottoms. General elk tags are available OTC for residents. The mountain country is Lolo and Kaniksu National Forests, with private timber company land (some carrying public access easements) and private ranches in the valleys. No designated wilderness exists. The cedar-hemlock forests on the mountain slopes create a radically different hunting experience from most of Montana — dark, thick timber where still-hunting means picking through ferns and devil's club. Elk hunting focuses on logged openings and ridgetop saddles where visibility exists. Western larch stands that have been thinned or burned create ideal elk feeding habitat. Block Management opportunities are limited. This is wet country by Montana standards — Pacific moisture piles up against the mountains, bringing heavy fall rain and early deep snow. The low human population and difficult terrain mean elk that survive rifle season here can grow old, making this a sleeper for quality bulls in a landscape most hunters overlook.