Klamath (Tolowa: taa-chit ) is an unincorporated, rural, census-designated place (CDP) in Del Norte County, California, situated on US Route 101 inland from the mouth of the Klamath River. The population was 779 at the 2010 census, up from 651 at the 2000 census. Klamath is at an elevation of 30 feet (9 m).
The original "town" center was destroyed by the 1964 Flood. Streets and sidewalks of this original site, west of US 101 and the current site of the town's core, remain visible.