Requa is an unincorporated community in Del Norte County, California. It is on the north bank of the Klamath River less than a mile from its mouth, at an elevation of 125 feet. Requa is a small town on the north bank of the Klamath River. The town was settled by Europeans in 1851 after prospectors arrived. Requa is a Yurok word translated to “mouth of th…Requa is an unincorporated community in Del Norte County, California. It is on the north bank of the Klamath River less than a mile from its mouth, at an elevation of 125 feet. Requa is a small town on the north bank of the Klamath River. The town was settled by Europeans in 1851 after prospectors arrived. Requa is a Yurok word translated to “mouth of the creek”, the name of a pre-colonial Native-American village one mile upstream from today's Requa.