Big Fall Creek Lake is an

alpine lake An alpine lake is a high-altitude lake in a mountainous area, usually near or above the tree line, with extended periods of ice#On lakes, ice cover. These lakes are commonly glacial lakes formed from glacial activity (either current or in the pas ...

in Custer County,

Idaho Idaho ( ) is a landlocked U.S. state, state in the Pacific Northwest and Mountain states, Mountain West subregions of the Western United States. It borders Montana and Wyoming to the east, Nevada and Utah to the south, and Washington (state), ...

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

, located in the Boulder Mountains in Salmon-Challis National Forest. The lake is most easily accessed via forest road 168.

References

` Lakes of Idaho Lakes of Custer County, Idaho Salmon-Challis National Forest {{CusterCountyID-geo-stub