Atsepar, California

{{Use mdy dates|date=January 2025}}

Atsepar, also spelled Otsepor{{cite book |author=Alfred Louis Kroeber |url=https://archive.org/details/handbookofindian00kroe/mode/2up?view=theater |title=Handbook of the Indians of California |publisher=Courier Dover Publications |others=The Internet Archive |year=1925 |isbn=978-0-486-23368-0 |pages=9–}} is a former Yurok settlement in Humboldt County, California.{{gnis|1682106}} Kroeber maps it on the Klamath River south of the confluence of Bluff Creek and the Klamath, but above the confluence with the Trinity River. Waterman placed it on the Klamath, 1/2 mile south of the mouth of Bluff creek.{{Cite journal |last=Waterman |first=T. T. |date=May 31, 1920 |title=Yurok Geography |url=https://babel.hathitrust.org/cgi/pt?id=hvd.32044042053090&seq=3&q1=otsep |journal=University of California Publications in American Archaeology and Ethnography |volume=16 |issue=5 |pages=177–314 |via=HathiTrust}}