2004 Map of Twin Sisters

About this map

Twin Sisters towers over a landscape defined by the intersection of the Payette National Forest and Boise National Forest in central Idaho. Revised in 2004, this topography highlights a complex watershed where the Little Weiser River and Middle Fork Weiser River drain the high country. The map captures the administrative junction of Adams, Gem, and Washington counties, providing a clear picture of the Forest Service boundaries within the Council Emmett Ranger District. To the southeast, Lava Ridge overlooks the descent into Third Fork Squaw Creek, while Mill Creek Summit serves as a critical high point for the local trail and drainage network. The concentration of gulches and canyons, such as Carson Gulch and Buck Canyon, reveals the intricate drainage patterns that have shaped this timbered territory.