Curlew Lake is a 921-acre glacial kettle lake nestled in the Curlew Valley of northeastern Washington, about 7 miles northeast of Republic in Ferry County. With an average depth of 43 feet and a maximum depth of 130 feet, this natural lake is regulated by a 3-foot dam built in 1926 at its northern outlet. The lake's crystal-clear waters and stunning natural beauty make it a popular destination for anglers year-round. The deep lake features steep shorelines with three deep basins, and its surface elevation sits at approximately 2,333 feet. Four small islands dot the lake, and summer surface temperatures commonly exceed 72°F. The lake typically freezes over between November and April, making it a versatile fishing destination across seasons.