Lake Clementine (also known as North Fork Lake) is a reservoir on the North Fork American River Canyon above the picturesque, California Gold Rush-era town of Auburn (elevation 1,200 feet (370 m)) in Northern California.

[1] The lake and surrounding area is owned by the United States Bureau of Reclamation and managed by California Department of Parks and Recreation.

A popular hiking, running, and mountain biking trail courses from the dam area, continues downstream below the 730 ft (220 m) in height Foresthill Bridge, linking Lake Clementine to the North and Middle Forks American River Confluence area below the dam.

Upper Lake Clementine is seasonally opened from May 1 through October 15 from sunrise to thirty minutes before sunset.

The day use area consists of large pebble rocky beach along the south side of the lake.

[2] Wildflowers such as California Poppy (Eschscholzia californica), a few variety of Lupin (Lupinus), and winter vetch (Vicia villosa) can also be seen throughout the spring season.

The North Fork Dam also serves as a 15 MW, 40 GWh run-of-river hydroelectric project.