Warren is an unincorporated community in the remote north central region of the U.S. state of Idaho, near the Frank Church River of No Return Wilderness.

With a gold mining boom in multiple regions during the Civil War, the Idaho Territory was established in 1863.

Shortly after the gold discovery by Lewiston's James Warren,[7] the Warren's Camp population swelled to over 2,000; the southerners called their area of the camp "Richmond" and northerners called theirs "Washington.

[14] Following the war, interest in Warren was high for rare-earth metals in its by-product monazite.

[12][18] Recent fires have made the Warren area a haven for morel mushroom hunting.