Part of John Long Trail (21) is a closed road. From the West Fork of Tyler Saddle it's a single track trail that goes to the top of Sliderock Mountain. It connects with several trails on the Deerlodge Forest
Probably the best snowmobile trail on the District, Keeler/Rattle Trail Snowmobile Trail leads to the ridge between Idaho and Montana, with side road excursions along the way. Keeler Creek road may be followed into the Idaho Panhandle National Forests for other snowmobiling options.
Kenelty Mountain Lookout Trail (104) is a ridgetop trail that junctions with Divide Trail 6, providing several scenic views of the Cabinet Mountains. It is used primarily by horsemen but lends itself to average day hike and short backpacking trips.
Kismet Creek Trail (811) is suited for either a day hike or an extended backpacking trip, and provides access to the Kismet and Stevens Peak Trail area.
Knife Point Trail (542), from the dispersed campsite at the lower trailhead, parallels Knife Gulch for 0.3 mile and then switchbacks out of the Big Creek Canyon up a steep ridge between Good Creek and Knife Gulch.
Knox Creek Trail (571) is a non-motorized trail used primarily for fall hunter access. It goes through steep brushy terrain to the top of the divide between the Clark Fork and St. Regis river valleys. There is a stockramp and a hitchrail at the trailhead.
After crossing the Swinging Bridge, Kootenai Creek Trail (218) follows Kootenai Creek up and around the open faces above Kootenai Falls before tieing into Kootenai Mountain road. A rather steep trail, it offers excellent views of the river and falls.
Kries Pond Mountain Bike Trails begin and end at Kreis Pond Picnic Area and Campground and are 25 miles long. There are four trails for all levels of mountain bikers. There is a combination of gravel roads and dirt trails.
Krinklehorn-Locke Mountain Trail (96) is a connector between the Krinklehorn Trail and the Whitefish Divide Trail. It offers views of the Williams Creek Drainage and will lead you to the historic site of Locke Lookout. Beautiful views exist along the trail.
Lake Columbine Trail (128) travels from the junction of Rainbow Creek Trail 28 to Columbine Pass and the Custer National Forest. Above the lake the trail ascends high, semi-open benches, affording pleasant vistas. The trail is occasionally steep and rocky.
Lake Como National Recreational Loop Trail extends around the lake for 7 miles and includes a packbridge across Rock Creek. Maintained yearly. Trail classified as easy. Trail travels around the Lake. North shore travel by foot only.
Lake Elsina Snowmobile Trail begins at Fawn Creek Road 4349, Junction K, then connects to Elsina Road 465, Junction M, all the way to Lake Elsina. Watch for drifts.
Length: 13 miles one way; more difficult trail rating
Lake Fork Ski Trail consists of two loops. Range of difficulty depends on snow conditions. Closed to snowmobiles. Park at trailhead off Highway 212 which is 0.25 mile up Lake Fork Road.
Length: One loop is 2 km. The other is 5 km. No grooming.
Lake Louise Trail (168) is suitable for families. However, wait until mid-July for the snow to melt. From Lost Cabin/Louise Lake Trailhead, Trail 168 climbs gradual switchbacks for 3.5 long miles to the lake. The trail climbs steadily but with no brutal pitches. Pack water.
Lake Marshall Loop Snowmobile Trail begins at Fawn Creek Road 4349, Junction K, and continues to Clearwater Creek Road 463, Junction H, then connects to Mt. Henry Road 5407. This is a good family trail. More difficult on Mt. Henry leg.