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.Louise Lake sits in a cirque with massive, 10,353-foot Middle Mountain to the south. The lake has a small population of large cutthroat trout. The Forest Service has recognized this fine trail as a National Recreation Trail for its outstanding scenery and exceptional recreational opportunities. It is closed year-round to all motorized vehicles.Length: 7 milesTrail Beginning: Road 107Trail End: Louise LakeArea Map: Waterloo USGS, and Beaverhead-Deerlodge National Forest MapTownship 2S; Range 4W; Section 36