Scoop Lake is an alpine lake in Custer County, Idaho, United States, located in the White Cloud Mountains in the Sawtooth National Recreation Area.

The lake is accessed from Sawtooth National Forest trail 683.

[2] Scoop Lake is northwest of Merriam Peak and located in the lower section of the Boulder Chain Lakes Basin.

In 1970, Dan Pence, District Forest Ranger of Challis National Forest submitted a USDA Forest Service Form FS-7100-48 titled "Proposal of Name for an Unnamed Domestic Feature", in which it was proposed that this lake be named "Scoop Lake".

Under the section titled "If the name is descriptive, state why it is appropriate," Pence wrote, "For apparent glacial action forming the lake."