Big Lost Lake is an alpine lake in Blaine County, Idaho, United States, located in the Smoky Mountains in Sawtooth National Forest. The lake is most easily accessed via trail 135 from the end of forest road 170. The lake is located just east of Prairie Creek Peak. It is also near Smoky Lake, Little Lost Lake, and Upper and Lower Norton lakes.[3]

Big Lost Lake
Big Lost Lake Location in Idaho Show map of Idaho Big Lost Lake Location in the United States Show map of the United States
Location	Blaine County, Idaho
Coordinates	43°44′38″N 114°39′44″W [1]
Lake type	Glacial
Primary outflows	Norton Creek to Baker Creek to Big Wood River
Basin countries	United States
Max. length	968 ft (295 m)
Max. width	690 ft (210 m)
Surface area	8.6 acres (3.5 ha) [2]
Surface elevation	9,163 ft (2,793 m) [1]

References