Four Mile Lake Trail is a 7.4 mile out and back trail located near Klamath Falls, Oregon that features a lake. The trail is rated as difficult offers a number of activity options. 7.4 miles Out & Back 434 feet camping fishing fly fishing lake views Hide Map AllTrails Terrain Road Satellite Expand Map Sign up now to see this map! ReviewsPhotosTracksNo one has reviewed this trail yet. Be the first!